Judith Viorst (Milton Viorst/Milton Viorst)

10-10:30 Raúl Colón has illustrated more than 30 books for children, including Frank McCourt’s “Angela and the Baby Jesus,” Susanna Reich’s “José! Born to Dance: The story of José Limón” and Jill Biden’s “Don’t Forget, God Bless Our Troops.” Colón has been recognized with a Golden Kite Award as well as a Silver Medal and a Gold Medal from the Society of Illustrators. His latest book, written by Louise Borden, is “Baseball Is. . . .Signing at 11.

10:40-11:10 Peter Brown has written and illustrated many books for children, including “The Curious Garden” and “Children Make Terrible Pets.” His books have earned numerous honors, including a Caldecott Honor, a Horn Book Award, two E.B. White Awards, two E.B. White Honors and a Children’s Choice Award for Illustrator of the Year. His new book is “My Teacher Is a Monster! (No, I Am Not.).” Signing at 11:30.

11:20-11:50 Children’s book writer and illustrator Bryan Collier has used his unique style of watercolors and photo collage since he was a teenager. His first book, “Uptown,” which he wrote and illustrated, won the Coretta Scott King Award in 2001 for illustration and the Ezra Jack Keats Award for new illustrator. “Knock Knock: My Dad’s Dream for Me” earned Collier the 2014 Coretta Scott King Book Award for illustration. (He also won this award in 2006 and 2011.) Signing at 12:30.

Noon-12:30 Susan Stockdale specializes in picture books about nature, including “Some Sleep Standing Up,” “Carry Me! Animal Babies on the Move,” “Fabulous Fishes” and “Bring On the Birds.” She has won awards from the American Library Association, the National Science Teachers Association and the Bank Street College of Education. Her newest picture book, “Stripes of All Types/Rayas de todas las tallas,” gives young readers colorful facts about the many reasons stripes are found in nature. Signing at 1.

12:40-1:10 Laura Overdeck is the founder of Bedtime Math, a nonprofit group working with community partners that support strong K-12 STEM (science, technology, engineering and math) education. Her first book was “Bedtime Math: A Fun Excuse to Stay Up Late.” In her latest release, “Bedtime Math 2: This Time It’s Personal,” readers tackle math problems by solving riddles in child-friendly contexts such as water slides and overfed pets. Signing at 1:30.

1:20-1:50 Brian Lies has illustrated more than 25 books, several of which he has also written, including “Bats at the Beach,” “Bats at the Library” and “Bats at the Ballgame.” His latest addition to the series is “Bats in the Band.” Signing at 2:30.

2-2:30 Theodore Taylor III is a Washington-based artist, designer and photographer. His illustrations bring to life Laban Carrick Hill’s “When the Beat Was Born: DJ Kool Herc and the Creation of Hip Hop.” The book earned him the Coretta Scott King/John Steptoe New Talent Award, conferred by the American Library Association. Signing at 3.

2:40-3:10 Bob Staake created this year’s poster and art for the National Book Festival. The longtime illustrator of The Washington Post’s Style Invitational, Staake has written and/or illustrated more than 50 books, including “The Donut Chef,” “Bluebird,” “Bugs Galore” and “The Red Lemon,” and has designed many covers for the New Yorker, including the one commemorating Barack Obama’s election. His latest work, “My Pet Book,” which he wrote and illustrated, follows the story of a boy and his highly unusual pet — a book. Signing at 3:30.

3:20-3:50 Molly Idle’s many books include “Tea Rex,” “Camp Rex” and “Flora and the Flamingo,” which was a 2014 Caldecott Honor Award winner. Idle’s newest work is “Flora and the Penguin.” Signing at 4:30.

4-4:30 Judith Viorst has written adult fiction and nonfiction, musicals and poetry, but she is best known for her children’s books, particularly “Alexander and the Terrible, Horrible, No Good, Very Bad Day,” which has sold more than 2 million copies. The “Alexander” series began in 1972 and continues today with the newest release, “Alexander, Who’s Trying His Best to Be the Best Boy Ever.” Signing at 5.

4:40-5:10 Jules Feiffer’s work as a cartoonist, playwright, screenwriter and children’s book author and illustrator has spanned more than 50 years. Feiffer won a Pulitzer Prize for his editorial cartoons, along with a George Polk, an Academy Award for the animation of his cartoon satire “Munro,” and lifetime achievement awards from the Writers Guild of America and the National Cartoonist Society. His newest picture book is “Rupert Can Dance.” Signing at 3:30.