Published Works
Click on an “Amazon Marketplace” link (e.g. “.com” for Amazon.com), underneath one of the book’s front covers listed below to view the offering for purchase on Amazon.
Read the “Book overview” to see what the “Basic Strategy” or “Advanced Strategy” book you have selected provides beginning or advanced puzzle solvers. Each book features puzzles with individual “Puzzle Difficulty Rating” (PDR) scores so you can track your progress and challenge yourself precisely, within each Puzzle Difficulty Level (PDL).
Finally, scroll down to the bottom of the Amazon offering and click the “Write a customer review” button based on your evaluation of the book’s quality compared with similar offerings, regardless whether you purchase the book or not!