One epic mystery. 100 fiendish puzzles. Can you solve them all to crack the case? Dive into this murder mystery puzzle book, filled with grid puzzles, code breakers and more!Grab your pen, sharpen your wits and get ready to channel your inner sleuth!Join Detective Eye and his faithful assistant Bea as they work their way across London, solving logic puzzles along the way, to catch the killer on the loose in the city before it's too late. While on the case, you will:- Put your reasoning to the test with a range of devious grid puzzles- Crack the code-breaker puzzles to find out whodunnit- Travel across London by deciphering clues and hidden messages- Reveal the secret storyline as you go - the answer to each puzzle unlocks the next part of the story... Sniff out all the clues and don't forget to bring your magnifying glass, because even the tiniest blood splatter could crack this case wide open!