This product is a lot of vintage jumble word puzzle books from the 1980s, including titles such as "JUMBLE 4," "41 JUMBLE," and "42 JUMBLE." Published by The Berkley Publishing Group, these paperback books contain puzzles and trivia games in English language. With a total of 128 pages, these vintage jumble word puzzle books are perfect for puzzle enthusiasts looking to enjoy a nostalgic gaming experience. 4 JUMBLE is from 1986, 41 JUMBLE is from 1989, & 42 JUMBLE is from 1989