A mouse grapples with the concepts of brotherhood, species, and family solidarity. . . . A longtime writer for very early readers launches a new series incorporating graphic-novel reading techniques and gentle humor. . . . Figgy’s friend Boone patiently tries to help him understand that they are not brothers. Figgy’s a mouse; Boone is a rat. In spite of their similarities, they’re different species—cousins. . . . Though different, Boone and Figgy are fun foils for each other. . . . Satisfying siblinghood in a promising series starter. (Graphic early reader. 5-7)

– Kirkus Reviews, 7/15/2022

This story sets out to keep things simple for beginning readers, with easy sentences and light text. . . . As an introduction to the graphic novel format for young readers, Figgy and Boone are compelling leads and great companions, and the story is clear of distractions or complicated imagery. . . . A quick and silly rodent-happy romp, this book provides a fun and funny opportunity for reading practice.

– School Library Journal, August 2022