Best friends Worm and Butterfly must spend time apart in this Level 1 Ready-to-Read Graphics book—the sequel to Theodor Seuss Geisel Honor Book Worm and Caterpillar Are Friends . Worm and Butterfly are best friends. Worm says best friends stick together, but Butterfly has to fly somewhere warm for winter. Can they still be friends when they are far apart? Ready-to-Read Graphics books give readers the perfect introduction to the graphic novel format with easy-to-follow panels, speech bubbles with accessible vocabulary, and sequential storytelling that is spot-on for beginning readers. There’s even a how-to guide for reading graphic novels at the beginning of each book. A heartwarming story of found family that readers will flock to again and again. -- Kirkus Review Starred Review ― November 1, 2025 Kaz Windness is the author-illustrator of picture books Swim, Jim! ; Bitsy Bat, Team Star ; and Bitsy Bat, School Star , which received starred reviews from Kirkus Reviews , School Library Journal , and BookPage . She created the Theodor Seuss Geisel Honor Level 1 Ready-to-Read Graphics book Worm and Caterpillar Are Friends , which received a starred review and is a Junior Library Guild selection, and the Level 1 Ready-to-Reads Cat vs. Vac and Go! Go! Dino! . Kaz is also the illustrator of Ollie, the Acorn, and the Mighty Idea by Andrew Hacket and the author of When You Love a Book , illustrated by Heather Brockman Lee. When she’s not writing or illustrating books, Kaz mentors children’s book authors and artists at The Cuddlefish Academy and enjoys making deep-dish pizza. Kaz lives in Denver, Colorado, with her husband, two children, and Boston terrier. Visit her at WindnessBooks.com.