This is a set of 15 Library books entitled "Real World Problem Solving Math & Science" published by Macmillan McGraw Hill. The books focus on natural science, effective learning & studying, and applied mathematics for elementary or middle school students. Each workbook includes a collection of problems and exercises to help students develop problem-solving skills and critical thinking. This set is designed to make learning fun and engaging. It is in trade paperback format and has been well-maintained. Please review all pictures for more details.