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Title: Elementary!: Puzzles for the Chemically Curious and the Periodically Perplexed, Author: Paul  Board
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Title: Talong 100 Maxi puzzles: one player game for pen and paper (Next Generation Puzzle Game), Author: Michael Smith
Title: The Collected Mysteries of Montague Island: Volumes 1 to 4, Author: R. Wayne Schmittberger
Title: The GCHQ Puzzle Book: Perfect for anyone who likes a good headscratcher, Author: GCHQ
Title: The Massive Book of Picross Hanjie Griddlers Nonograms: New edition - Over 600 puzzles!, Author: Djape