Pick-your-own path and puzzle-packed mystery collide in the fourth book in Lauren Magaziner's hilarious and interactive middle grade series as Las Pistas Detective Agency gets its first international case at an archaeological dig in Greece.

In this wildly entertaining and interactive adventure, YOU pick which suspects to interview, which questions to ask, and which clues to follow. You pick the path--you crack the case!

Carlos and Eliza may be going on separate paths, but their end goal is the same--keep the booby traps from taking their detective agency out! But with tricky puzzles and dozens of impossible choices, they need your help! Can you help Carlos and his friend find the lost treasure . . . and can you protect it from the culprit trying to steal it?

Can you help Carlos and his friends unravel the mystery before it's too late? Or will it be case closed?