Tim has just received the most mysterious birthday present ever: a secret message written entirely in code. To find his actual gift, he has to crack the puzzle and embark on a thrilling nighttime scavenger hunt. Following the clever clues, Tim sneaks past a dark cave, creeps through an underground tunnel, and explores strange, hidden places in search of his surprise. You get to join the adventure by reading the secret map and turning the specially shaped, die-cut pages that lead you deeper into the mystery. Every clue brings you one step closer to discovering what is waiting at the end of the trail. This clever, interactive puzzle book blends exciting exploration with a fun introduction to reading maps and recognizing shapes.