"Al Capone Does My Shirts" by Gennifer Choldenko

From the book jacket:
"When Moose's family moves to Alcatraz Island so his father can work as a guard and his sister can attend a special school in San Francisco, he has to leave his friends and his winning baseball team behind. But it's worth it, right? If his sister, Natalie, can get help, maybe his family will be normal. But on Alcatraz his dad is so buy, he's never around. His mom's preoccupation with Natalie's condition (today, it would be called autism) is even worse now that there's no extended family to help with her tantrums and constant needs. And of course, there's never enough money."

But Natalie is too old for the special school her parents had counted on, and Moose doesn't know how he can help. With the aid of Piper, the warden's daughter, Moose tries to communicate with the most notorious and famous prisoner on Alcatraz...Al Capone.

Have you read this book yet? Let's talk!