Celadon Books is proud to acquire comedian, musician, actor, and playwright Steve Martin's NUMBER ONE IS WALKING, with never-before-told stories from the sets of the author's beloved films, illustrated by New Yorker cartoonist Harry Bliss. Publisher Deb Futter acquired the book, for publication in fall 2022, by Esther Newberg at ICM for the author, and by Holly McGhee at Pippin Properties for the illustrator (world).