Beautifully designed, and featuring a reflective mirror page at the end that brings young readers into the story, this is a one-of-a-kind glimpse at the world of Blue Dog and the appealing imagination of George Rodrigue. Â A companion to the popular Why Is Blue Dog Blue?, this latest picture book celebrates friendship in all its shapes and sizes. Through a series of call-and-response questions, readers are introduced to the funny, strange, loyal, and unique qualities that make friendships come alive. Â The cover features blue foil.