With over 90 fiendishly puzzling cases to crack, get ready to walk in the shoes of a seasoned investigator... or step over to the dark side, if you dare, and become a criminal mastermind. The choice is yours. Written by the internationally best-selling Dr Gareth Moore, this is the ultimate puzzle book for true crime fans. Use your powers of deduction, forensic eye for detail and logical thinking to solve these mysteries... With over 90 fiendishly puzzling cases to crack, get ready to walk in the shoes of a seasoned investigator.