MATHadazzles Mind Stretch Puzzles: Reasoning with Numbers Volume 2

MATHadazzles are intriguing number puzzles that sharpen your logical reasoning and problem solving talents, and put to use your knowledge of familiar and not-so- familiar numbers and mathematical operations. Your job is to use clues to place numbers 1 - 9 in a grid so that the numbers in rows and columns add to the circle sums at the ends of those rows and columns. And, some circle sums are missing. We tell you what they are, but you have to place them! No doubt you recall odd and even numb...