Get both versions of Ari and The Armpit Mouse and save. Color and read along with Ari and The Armpit Mouse as they meet and become best friends. Sometimes, making new friends can feel a little silly, but Ari’s about to find out how wonderful it can truly be. A story about making new friends from the imaginations of writer Joseph D. Newcomer and his daughter, Ariella Nova Newcomer. Illustrated by Andy Carreon.