This is a Chess Workbook for kids. This book is for kids in the NYChessKids Level 4 and 5. It is for the kids who are in the USCF rating below 1000. This book helps you in the following tactics: Discover Attack, Back Rank, X-Ray, Deflection and Removing the Defender. After over 10 years of experience working with children these puzzles have been selectively chosen to help your child advance in chess.