Mystery on Warrior Ridge

It's the first day of summer vacation and John's desperate. How can he make sure Tatumn the Terrible doesn't ruin two summers in a row? Science camp is his only hope. With his dad's farm experiencing tough times, though, it's up to him to find a way to earn big money to pay for camp. Now. Maybe...just maybe...his new friend, the Preacher, can help. But can John trust him? Or does the Preacher just want all that cash for himself? And with a pair of creepy black eyes watching his every move and two strangers trying to steal his stuff, what chance does he have?