This book provides Large diagrams that should help you create good chess vision without using a chess set and board. Many patterns of these puzzles often occur during tournament games. You should try to understand the concept of each puzzle you solve and memorize the patterns! You can also find many interesting phrases about chess in this book.
The level of these puzzles is for the under 1600-1900 rated chess player.
Paperback, 359 pages, 2017 publishing.