Choose your path, solve the puzzles, and catch the killer in Puzzle Sleuth, a collection of three ingenious fictional murder mysteries that challenge young readers with logic problems, visual games, and dangerous decisions at every turn. Meet Arlo Banks. When Arlo solves a difficult puzzle in The Times , devised by an elderly Oxford professor, he wins a vast fortune. There's just one catch: he has to travel the world and write to the professor about his adventures. But enemies and killers lurk at every turn. From the Orient Express to the Nile River to British spy headquarters, join Arlo as he fights to find answers—and fights for his life! As Arlo Banks, you choose what path to take and what puzzles to answer as you follow along with each mystery. On the trail of a ruthless mafia godfather determined to evade capture...on a pleasure cruise where a passenger's death has a killing effect on the others on board...behind the scenes at British intelligence, where a dangerous traitor is stealing government secrets. From breaking codes to defusing bombs, navigating mazes to sifting through evidence, Puzzle Sleuth is an addictive brain-teasing mix of story, game, and adventure. Just remember to choose wisely. With Puzzle Sleuth, your next move could catch the killer—or be your last!