'A feast of fiendish, mind-fangling fun – an epic puzzle quest featuring challenges and enigmas, assassins and catacombs – and satire which would furrow the brow of Dan Brown himself…' Sinclair McKay ****** Are you a puzzle master of the highest order? Do you have what it takes to save the world time and time again against all odds? Only time – and precisely 100 fiendish and humorous puzzles of crosswords, codes, mazes, logic, sudoku and much more – will tell… Renowned theologist Sir Gordon Gladstone has been murdered at the British Museum, mere moments before revealing 'the secretest secret of secrets.' To add to the problem, ancient documents revealing this all-important secret are missing! Join wits with Professor Lawrence Lightwood (a cryptographer) and Doctor Dolores Delgado (a literary historian) to find the culprit and retrieve the secret documents. Featuring non-stop global travel, sneaky (and suspiciously silent) villains, and constant drama, this is a puzzle-strewn chase around the world that will delight all armchair detectives. Have you got what it takes?