Books Mac Barnett Books by Mac Barnett Mac Barnett has written books about: Children's Books Fiction Facebook Twitter Flipboard Email NPR stories about Mac Barnett Eslah Attar/NPR Author Interviews My First Existential Crisis: The Sweet Story Of An Angsty 'Square' May 8, 2018 Jon Klassen and Mac Barnett are writing a children's book trilogy about shapes who are just like us. The second installment follows a straight-laced square who wonders if he's really a genius. My First Existential Crisis: The Sweet Story Of An Angsty 'Square' Listen · 7:17 7:17 Toggle more options Download Embed Embed <iframe src="https://www.npr.org/player/embed/609149753/609304261" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player"> Transcript Review Book Reviews NPR's Book Concierge: Our Guide To 2013's Great Reads December 4, 2013 NPR staff and critics selected more than 200 standout titles. Now it's up to you: Choose your own adventure! Use our tags to search through books and find the perfect read. Pop Culture Happy Hour 'This Is Not My Hat' Wins Caldecott Medal For Picture Book Artistry January 26, 2013 Written and Illustrated by Jon Klassen, This Is Not My Hat tells the story of a little fish on the run after stealing a small, blue hat from a slumbering big fish. Runners-up for the medal included a tribute to the color green and a tale of colorful yarn in a black-and-white world.