Edgar Allan Poe Puzzles: Puzzles of Mystery and Imagination (Paperback)
I became insane, with long intervals of horrible sanity.
Edgar Allan Poe
About the Author
Dr Gareth Moore is the author of a wide range of brain-training and puzzle books for both children and adults. He is the creator of online brain training site www.BrainedUp.com and runs the daily puzzle website www.PuzzleMix.com. He gained his Ph.D from Cambridge University in the field of Machine Learning, and has contributed to various advanced projects for leading technology companies.