Bill Kroen is the author of the national bestseller, Bill Kroen’s Golf Tip-a-Day Calendar, which has sold well over 1 million copies to date. In addition, Bill is the author of Golf; How Good Do You Want to Be? (golf psychology and instruction), Golf Dynamics (golf instruction), The Why Book of Golf (National Sports Bestseller, 1993 best golf books of the year--USA TODAY), The Complete Why Book of Golf (ebook), So, You Think You Know Golf (golf trivia), Your Putter or Your Wife (golf humor), and Haskell McDivot’s Golf Tip-a-Day Screensaver and Planner.