Cam Jansen and the Mystery of the Babe Ruth Baseball

　　Cam Jansen, assisted by her friend Eric, track down the valuable baseball, autographed by Babe Ruth, which disappeared.

　　The Cam Jansen books are perfect for young readers who are making the transition to chapter books, and Cam is a spunky young heroine whom readers have loved for over two decades. Now the first ten books in the series have updated covers that bring new life to these perennial best-sellers. Old fans and new readers will love Cam's cool, modern look!

　　Babe Ruth的簽名棒球被偷走了，這顆球價值可是不斐阿，Cam和Eric兩人再次展開調查。