Who would've thought that a dog, a cat, and a mouse could be best friends? In this fun picture book, Milly, Tilly, and Willy are best friends despite their differences. Early Spanish readers can follow the fun story and whimsical illustrations as they learn that our differences are what make us special. With pre-reading questions, this fiction book is ideal for guided reading and builds early Spanish literacy skills. This picture book is written in Spanish.