Here's this week's Featured Book-of-the-Week available now on Amazon.com! Pentdoku Puzzles Volume 1 by Dale Maron (5 Stars - 2 Customer Reviews) Price: $12.95 Dale Maron's "Pentdoku Puzzles Volume 1." Keep your brain sharp with this brand-new collection of puzzles designed to be solved with logic and deductive reasoning. You move past linear. Pentdoku Puzzles … Continue reading Amazon Featured Book-of-the-Week