Title: Hard Crosswords, Author: Peter Gordon
Title: The Beginner's Crossword Dictionary: Everything You Need to Know to Start Solving Crosswords with Confidence, Author: Stanley Newman
Title: Easy Crosswords, Author: Mel Rosen
Title: 100 Picnic Table Crosswords, Author: Thomas Joseph
Title: 100 Garden Path Crosswords, Author: Thomas Joseph
Title: Blue-Chip Cryptic Crosswords as Published in The Wall Street Journal, Author: Emily Cox