The dark web is waiting for you . Get ready to immerse yourself in the internet's darkest corners and stop the hacker in their tracks. 80 puzzles to solve by million-copy bestselling author Dr Gareth Moore. Can you fix the malware the hacker has embedded into your system before the clock runs down? Do you have the skills to stop them in their tracks before they've stolen your data ? Just as you've learned how to beat the hacker, get ready to join forces with them as you learn how to stop major crimes by becoming a white-hat hacker yourself . Written by the internationally best-selling Dr Gareth Moore , this is the ultimate puzzle book for wannabe hackers, full of codes, ciphers and fiendish conundrums to crack. Also available: The Perfect Crime Puzzle Book (9781789293357) The Undercover Agent Puzzle Book (9781789294095).