This fun, thought provoking 48-page book of puzzles, develops mathematical reasoning and critical thinking skills that are vital to achieving academic and lifelong success. They're great for introducing students to encryption, algebraic thinking, and basic computer programming operations.Each puzzle requires students to break a secret code so they can identify a hidden quotation. To break the code, students must apply logic and mathematical reasoning to 3-sets of clues. The challenge is getting all the information out of each clue! Once students break the code, they can solve the cryptogram by substituting the numbers with their corresponding code letters. This book familiarizes students with classic quotations from famous thinkers such as Albert Einstein, Voltaire, Socrates, and more!