Calling all budding super spies! Enroll on The Hartigan Browne Detective Agency's ultimate training course to see if YOU have what it takes to become a world-class private investigator.Learn everything there is to know about super-sleuthing from Britain's greatest detective: Hartigan Browne. He'll teach you how to crack codes, examine evidence and create disguises . . . and then it's up to you to use your skills to pass the ultimate test.Full of bite-sized lessons and puzzles to complete in five minutes or less, Cluedle - 5 Minute Mystery Puzzles 1 is the perfect activity book to keep children entertained on the go.Join Hartigan Browne to solve full cases in the bestselling Cluedle series with The Case of the Dumpleton Diamond, The Case of the Golden Pomegranate, The Case of Rudolph's Revenge, The Case of the Silver Cipher and The Case of the Grindstone Goblet.