THE ADVENTURE CONTINUES IN THE MAGIC LIBRARY! 5x5 EXPANSION PACK Loved our 4x4 Math Magic puzzles? Take the challenge to the next level with this brand-new 5x5 Expansion Pack! Help! More magic books have fallen into a deep sleep. Your students must use their advanced math wizards' powers to find the secret numbers and bring the library back to life! Designed by a math education expert with 25+ years of experience, this No-Prep 5x5 Cross-Sum Puzzle Workbook is the perfect tool to build math fl