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.It compels students to break a secret code so they can identify a hidden joke. 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, good-humored jokes that both kids and adults enjoy. It also helps ELL/ESL learners further understand the English language and culture.