Pick up a pencil and sharpen your deductive reasoning skills with these challenging logic puzzles. Each Perplexor puzzle categorizes information and lists clues below. By using the "cross-out-and-circle" technique, you will practice logical thinking in order to find the correct answer. Perplexors: Expert Level (Ages 14 to Adult) includes 48 full-page puzzles with solutions. This book is reproducible for single-classroom use.