Children's book about Theodore Roosevelt. Michelle doesn't know it, but her cousin and best friend David has a special secret. He owns a magic coin that makes it possible to travel through time. David has used it to visit famous explorers, artists, and kings. And he's about to use it again.

On a trip to the American History Museum in New York, Michelle gets embarrassed when David grabs a feather and starts dancing around a statue of a Native American Indian. She tells him she'd only dance with real Indians. Well, when your friend can travel through time, you have to be careful...