When her brother catches a cold, Pinky Dinky Doo, an imaginative young girl, tells him a silly story about the time she and her classmates caught the Polka Dot Pox.

Pinky Dinky Doo is back for another of the funny stories she loves to tell to her little brother, Tyler. This time, Pinky gets a bad case of Polka Dot Pox. Her mom says she needs to stay home. But Pinky really wants to take her pet, Mr. Guinea Pig, to school for pet show-and-tell! How will she solve this problem? She'd better Think Big! Readers are falling in love with Pinky Dinky Doo. And they're falling down with laughter at the zany text and fresh art in this innovative easy-to-read book. Come join them. Like Pinky, all you need is a little imagination!