Thirteen-year-old Atticus "Tick" Higginbottom begins receiving mysterious letters from around the world signed only "M.G.," and the clues...
Atticus Higginbottom is an average thirteen-year-old boy until the day a strange letter arrives in his mailbox. Postmarked from Alaska and cryptically signed with the initials M.G., the letter informs Atticus, a.k.a. Tick, that dangerous-perhaps even de