The Art of Puzzles 2: Double Trouble
Continuing the collection of puzzle masterpieces begun in The Art of Puzzles, many of the world's best puzzle authors have come together again for this title. The Art of Puzzles 2 contains five new styles with classic puzzles and "doubled" variations for extra difficulty. Each section has 50 hand-crafted puzzles, with hints for every puzzle to help you solve them and become a better puzzler.
(Originally published in April, 2018.)