When three classmates at Elaine Webster Middle School all receive the same mysterious letter telling them to go to an elusive Melvin Hancock's "lair" in the South American jungle, they aren't sure what to think at first, but eventually decide to go and see what was in store for them at Melvin's hideout. "I've sent letters to three students my age (if I went to a normal school, it'd be eighth grade) telling them to come to my hideout. I've enlisted...