Popular Bus Book Category: From Wheels on the Bus to Don't Let the Pigeon Drive the Bus, there is a strong tradition of bus books for preschoolers. This is a fresh new entry with a unique educational twist.Silliness Sells: The many buses that pass are filled with creatures of all kinds. Kids will find the ridiculousness of this premise hilarious. Underneath the Silliness: This book also introduces the important concept of classification, showing kids how things are grouped into categories. And it is also a concept book about colors. Whew! Finally!: Kids will want to re-read this book time and time again to get the to the final bus, which is finally a bus for people!Vocabulary Acquisition: A selection of parts of a bus are identified which will help build vocabulary and conversation.Interactive end: The final pages ask young readers questions that will spur conversations with grown-ups and each other. "Do you take a bus to school?", "Is there a bus in your town?