Title: Mindfulness Full: Relaxing word search puzzles for adults that will keep your mind calm and positive, 50 brain teasers with more than 600 words, Author: Asomoo Ebooks
Title: Crossword Companion, Author: Martin Manser
Title: Crossword Puzzle Dictionary, Author: Murali Mohan Hundigam
Title: Odd Words for Crossword and People in Puzzles: Fifth Edition, Author: Ben Bougard
Title: How To Crack Cryptic Crosswords: Hints and Tips To Help You Find The Answers, Author: Vivien Hampshire
Title: Crossword Puzzle Cheats, Hacks, Hints, Tips, And Tricks Guide, Author: Trevor Clinger
Title: Crossword Puzzles by Ted. Volume One., Author: Ted Summerfield