Gem Lakes, The (Gem Lakes Series)

Jake Lucknow is just like any other fourteen-year-old boy, except for one thing - he is sick with cancer and is not expected to live through the summer. While spending time at the family cabin, Jake has a chance encounter with the area's most notorious resident and learns the secret to an old family mystery.Jake can't resist one last adventure at the lake. But he soon realizes that his quest is much more terrifying and dangerous than he had thought. . . and time is running out.