The End of the World Puzzle Book

Dr. Gareth Moore, "Britain's king of puzzles" (The Sun), is the author of over 250 bestselling international puzzle and brain-training titles with worldwide sales of over 5 million copies. He is a director of the UK Puzzle Association and a former board member of the World Puzzle Federation, and is the creator of Brained Up, a cutting-edge brain training site.

Laura Jayne Ayres is a puzzle writer and researcher. After studying Linguistics at the University of Cambridge, she worked as a playwright before joining Dr. Gareth Moore’s puzzle team.