More Art Puzzles by Numbers is the sequel to the most electrifying new kind of puzzle to come along in years. Not only are the puzzles fun and beguiling, with tons of fans in the U.S., they are also serving as a valuable resource to teens. The Utah State Textbook Commission designated this book as "Recommended Student Resource" for Mathematics/Pre-Algebra grade levels 7-12" for its emphasis on indirect reasoning skills. The concept is cleverly simple. You start with an empty grid. The numbers to the side and above tell you "how many" squares to fill in the columns and rows. The trick is that the numbers don't tell you "which" squares to fill in-that's for you to decide through logical reasoning and by operating back and forth between the columns and the rows. Unlike the crossword puzzle, when you have finished one of these "picture logic" puzzles correctly, you've made a picture Complete instructions are included along with the puzzles ranging from easy to hard. You will find puzzles that will peak the curiosity in kids and adults. This book will give every puzzle fan many gratifying hours of entertainment.