104 Puzzle Quizzes HD (Interactive Puzzlebook for Tablets): The Grabarchuk Family: : Kindle Store for $0
For the entirety of today (Hallowe'en) only, the Grabarchuk Family is making their new puzzle book 104 Puzzle Quizzes HD available for free on the Kindle store. All they ask is that you review the title once you have had a chance to read/solve it.
This version is for the Amazon Kindle App running on colour devices (Kindle Fire, Kindle Fire HD, iPad, iPhone, Android, PC, Mac). There is a separate non-"HD" version, also free today, for eInk Kindles.
"Discover the 5th volume of the Top Rated Puzzlebook: Puzzle Quizzes series, HD versions for tablets. In this brand-new puzzle collection you will find 104 pictorial, hand-crafted puzzle quizzes in different themes: logic, visual, spatial, counting, geometry, matchstick, coins, searching, and much more.
You can interactively answer and check a puzzle quiz by clicking the respective answer. Only the correct answer leads to the solution page."
With puzzles ranging from easy to diabolical, this book will keep you busy and thinking!