If you're looking for a crossword puzzle book, there are various options available, both in physical bookstores and online retailers. Since my knowledge is up to September 2021, I can suggest some popular crossword puzzle book series that were popular at that time. Keep in mind that newer books might be available now, so it's always a good idea to check the latest releases and reviews.
The New York Times Crossword Puzzle Books: The New York Times publishes some of the most well-known and challenging crossword puzzles. They have several collections of crossword books, including Monday to Sunday puzzles, themed puzzles, and more.
Simon & Schuster Mega Crossword Puzzle Books: These books offer large-sized crosswords with varying levels of difficulty, including challenging puzzles for seasoned solvers.
USA Today Crossword Puzzle Books: USA Today also publishes crossword puzzle books with themes and increasing levels of difficulty throughout the book.
The Los Angeles Times Crossword Puzzle Books: This series features crosswords from the LA Times newspaper, offering diverse and entertaining puzzles.
Will Shortz's Crossword Puzzle Books: Will Shortz, the crossword puzzle editor for The New York Times, has his own series of books, including "The New York Times Will Shortz Presents" and "Will Shortz's Favorite Crossword Puzzles."
Crossword Puzzle Books by Penny Press/Dell Magazines: Penny Press and Dell Magazines publish a variety of crossword books with different themes and levels of difficulty.
Crossword Puzzle Books by Sterling Publishing: Sterling Publishing offers a range of crossword puzzle books, including some with large-print puzzles for those who prefer an easier-to-read format.
Remember to consider your skill level and preferences when selecting a crossword puzzle book. If you enjoy themed puzzles or want something more challenging, make sure to check the book's description and reviews before making a purchase. Happy puzzling