National Book Festival

Visitors line up early for the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. (Photo by Jeff Malet)

National Book Festival

Getting ready for the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. (Photo by Jeff Malet)

National Book Festival

Captain Underpants greets visitor Nancy Kasler at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. (Photo by Jeff Malet)

National Book Festival

Captain Underpants greets visitor Nancy Kasler at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. (Photo by Jeff Malet)

Matthew Cordell, National Book Festival

Childrens author Matthew Cordell appears at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. Matthew Cordell is the 2018 Caldecott award-winning author of "Wolf in the Snow" (Feiwel & Friends) "Trouble Gum," "Another Brother," "hello! hello!" and "Wish." His next book, “King Alice,” comes out later in the month. (Photo by Jeff Malet)

Matthew Cordell, National Book Festival

Children's author Matthew Cordell appears at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. Matthew Cordell is the 2018 Caldecott award-winning author of "Wolf in the Snow" (Feiwel & Friends) "Trouble Gum," "Another Brother," "hello! hello!" and "Wish." His next book, “King Alice,” comes out later in the month. (Photo by Jeff Malet)

Brendan Wenzel, National Book Festival

Children's author Brendan Wenzel appears at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. His new book is "Hello Hello." (Photo by Jeff Malet)

Brendan Wenzel, National Book Festival

Children's author Brendan Wenzel appears at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. His new book is "Hello Hello." (Photo by Jeff Malet)

Mark Sweeney; National Book Festival

Mark Sweeney, the Principal Deputy Librarian of Congress introduces a speaker at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. (Photo by Jeff Malet)

Mark Sweeney; National Book Festival

Mark Sweeney, the Principal Deputy Librarian of Congress introduces a speaker at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. (Photo by Jeff Malet)

Mark Sweeney; National Book Festival

Mark Sweeney, the Principal Deputy Librarian of Congress introduces a speaker at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. (Photo by Jeff Malet)

Mark Sweeney; National Book Festival

Mark Sweeney, the Principal Deputy Librarian of Congress introduces a speaker at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. (Photo by Jeff Malet)

Mark Sweeney; National Book Festival

Mark Sweeney, the Principal Deputy Librarian of Congress introduces a speaker at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. (Photo by Jeff Malet)

Mark Sweeney; National Book Festival

Mark Sweeney, the Principal Deputy Librarian of Congress introduces a speaker at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. (Photo by Jeff Malet)

Mark Sweeney; National Book Festival

Mark Sweeney, the Principal Deputy Librarian of Congress introduces a speaker at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. (Photo by Jeff Malet)

Dave Eggers, National Book Festival

Author Dave Eggers speaks at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. Dave Eggers is the founder of McSweeney's, an independent publishing house in San Francisco that produces books, a quarterly journal of new writing and a monthly magazine. In 2002, Eggers co-founded 826 Valencia, a nonprofit youth writing and tutoring center in San Francisco that has opened offices worldwide. Eggers's work has been nominated for the National Book Award, the Pulitzer Prize and the National Book Critics Circle Award, and has won the Dayton Literary Peace Prize, France's Prix Medicis, Germany's Albatross Prize, the National Magazine Award and the American Book Award. His new book, "The Monk of Mokha", is the true story of a young Yemeni American man, raised in San Francisco, who dreams of resurrecting the ancient art of Yemeni coffee but finds himself trapped in Sana'a by civil war. (Photo by Jeff Malet)

Dave Eggers, National Book Festival

Author Dave Eggers speaks at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. Dave Eggers is the founder of McSweeney's, an independent publishing house in San Francisco that produces books, a quarterly journal of new writing and a monthly magazine. In 2002, Eggers co-founded 826 Valencia, a nonprofit youth writing and tutoring center in San Francisco that has opened offices worldwide. Eggers's work has been nominated for the National Book Award, the Pulitzer Prize and the National Book Critics Circle Award, and has won the Dayton Literary Peace Prize, France's Prix Medicis, Germany's Albatross Prize, the National Magazine Award and the American Book Award. His new book, "The Monk of Mokha", is the true story of a young Yemeni American man, raised in San Francisco, who dreams of resurrecting the ancient art of Yemeni coffee but finds himself trapped in Sana'a by civil war. (Photo by Jeff Malet)

Dave Eggers, National Book Festival

Author Dave Eggers speaks at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. Dave Eggers is the founder of McSweeney's, an independent publishing house in San Francisco that produces books, a quarterly journal of new writing and a monthly magazine. In 2002, Eggers co-founded 826 Valencia, a nonprofit youth writing and tutoring center in San Francisco that has opened offices worldwide. Eggers's work has been nominated for the National Book Award, the Pulitzer Prize and the National Book Critics Circle Award, and has won the Dayton Literary Peace Prize, France's Prix Medicis, Germany's Albatross Prize, the National Magazine Award and the American Book Award. His new book, "The Monk of Mokha", is the true story of a young Yemeni American man, raised in San Francisco, who dreams of resurrecting the ancient art of Yemeni coffee but finds himself trapped in Sana'a by civil war. (Photo by Jeff Malet)

Dave Eggers, National Book Festival

Author Dave Eggers speaks at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. Dave Eggers is the founder of McSweeney's, an independent publishing house in San Francisco that produces books, a quarterly journal of new writing and a monthly magazine. In 2002, Eggers co-founded 826 Valencia, a nonprofit youth writing and tutoring center in San Francisco that has opened offices worldwide. Eggers's work has been nominated for the National Book Award, the Pulitzer Prize and the National Book Critics Circle Award, and has won the Dayton Literary Peace Prize, France's Prix Medicis, Germany's Albatross Prize, the National Magazine Award and the American Book Award. His new book, "The Monk of Mokha", is the true story of a young Yemeni American man, raised in San Francisco, who dreams of resurrecting the ancient art of Yemeni coffee but finds himself trapped in Sana'a by civil war. (Photo by Jeff Malet)

Dave Eggers, National Book Festival

Author Dave Eggers speaks at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. Dave Eggers is the founder of McSweeney's, an independent publishing house in San Francisco that produces books, a quarterly journal of new writing and a monthly magazine. In 2002, Eggers co-founded 826 Valencia, a nonprofit youth writing and tutoring center in San Francisco that has opened offices worldwide. Eggers's work has been nominated for the National Book Award, the Pulitzer Prize and the National Book Critics Circle Award, and has won the Dayton Literary Peace Prize, France's Prix Medicis, Germany's Albatross Prize, the National Magazine Award and the American Book Award. His new book, "The Monk of Mokha", is the true story of a young Yemeni American man, raised in San Francisco, who dreams of resurrecting the ancient art of Yemeni coffee but finds himself trapped in Sana'a by civil war. (Photo by Jeff Malet)

Dave Eggers, National Book Festival

Author Dave Eggers speaks at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. Dave Eggers is the founder of McSweeney's, an independent publishing house in San Francisco that produces books, a quarterly journal of new writing and a monthly magazine. In 2002, Eggers co-founded 826 Valencia, a nonprofit youth writing and tutoring center in San Francisco that has opened offices worldwide. Eggers's work has been nominated for the National Book Award, the Pulitzer Prize and the National Book Critics Circle Award, and has won the Dayton Literary Peace Prize, France's Prix Medicis, Germany's Albatross Prize, the National Magazine Award and the American Book Award. His new book, "The Monk of Mokha", is the true story of a young Yemeni American man, raised in San Francisco, who dreams of resurrecting the ancient art of Yemeni coffee but finds himself trapped in Sana'a by civil war. (Photo by Jeff Malet)

Dave Eggers, National Book Festival

Author Dave Eggers speaks at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. Dave Eggers is the founder of McSweeney's, an independent publishing house in San Francisco that produces books, a quarterly journal of new writing and a monthly magazine. In 2002, Eggers co-founded 826 Valencia, a nonprofit youth writing and tutoring center in San Francisco that has opened offices worldwide. Eggers's work has been nominated for the National Book Award, the Pulitzer Prize and the National Book Critics Circle Award, and has won the Dayton Literary Peace Prize, France's Prix Medicis, Germany's Albatross Prize, the National Magazine Award and the American Book Award. His new book, "The Monk of Mokha", is the true story of a young Yemeni American man, raised in San Francisco, who dreams of resurrecting the ancient art of Yemeni coffee but finds himself trapped in Sana'a by civil war. (Photo by Jeff Malet)

Dave Eggers, National Book Festival

Author Dave Eggers speaks at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. Dave Eggers is the founder of McSweeney's, an independent publishing house in San Francisco that produces books, a quarterly journal of new writing and a monthly magazine. In 2002, Eggers co-founded 826 Valencia, a nonprofit youth writing and tutoring center in San Francisco that has opened offices worldwide. Eggers's work has been nominated for the National Book Award, the Pulitzer Prize and the National Book Critics Circle Award, and has won the Dayton Literary Peace Prize, France's Prix Medicis, Germany's Albatross Prize, the National Magazine Award and the American Book Award. His new book, "The Monk of Mokha", is the true story of a young Yemeni American man, raised in San Francisco, who dreams of resurrecting the ancient art of Yemeni coffee but finds himself trapped in Sana'a by civil war. (Photo by Jeff Malet)

Dave Eggers, National Book Festival

Author Dave Eggers speaks at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. Dave Eggers is the founder of McSweeney's, an independent publishing house in San Francisco that produces books, a quarterly journal of new writing and a monthly magazine. In 2002, Eggers co-founded 826 Valencia, a nonprofit youth writing and tutoring center in San Francisco that has opened offices worldwide. Eggers's work has been nominated for the National Book Award, the Pulitzer Prize and the National Book Critics Circle Award, and has won the Dayton Literary Peace Prize, France's Prix Medicis, Germany's Albatross Prize, the National Magazine Award and the American Book Award. His new book, "The Monk of Mokha", is the true story of a young Yemeni American man, raised in San Francisco, who dreams of resurrecting the ancient art of Yemeni coffee but finds himself trapped in Sana'a by civil war. (Photo by Jeff Malet)

Dave Eggers, National Book Festival

Author Dave Eggers speaks at the 18th annual Library of Congress National Book Festival at the Walter E. Washington Convention Center in Washington D.C. on Saturday, September 1, 2018. Dave Eggers is the founder of McSweeney's, an independent publishing house in San Francisco that produces books, a quarterly journal of new writing and a monthly magazine. In 2002, Eggers co-founded 826 Valencia, a nonprofit youth writing and tutoring center in San Francisco that has opened offices worldwide. Eggers's work has been nominated for the National Book Award, the Pulitzer Prize and the National Book Critics Circle Award, and has won the Dayton Literary Peace Prize, France's Prix Medicis, Germany's Albatross Prize, the National Magazine Award and the American Book Award. His new book, "The Monk of Mokha", is the true story of a young Yemeni American man, raised in San Francisco, who dreams of resurrecting the ancient art of Yemeni coffee but finds himself trapped in Sana'a by civil war. (Photo by Jeff Malet)