Nobody knew Sam was a boy except for him. Sam loves riding his bike and learning about the American Revolution. He is full of laughter and joy. There's just one problem: Sam's family knows him as a girl named Isabel. Sam feels a sense of relief when he finally confides in his annoying but caring sister Maggie, and then his parents, even though it takes them a while to feel comfortable with it. But with lots of love and support, Sam and his family...