This book set includes:One Minute Mysteries: 65 Short Mysteries You Solve With ScienceNot your ordinary mystery book, One Minute Mysteries makes science fun! Each story, just one minute long, challenges your knowledge in earth, space, life, physical, chemical, and general science. No tools or special equipment required, all you need is a willingness to have fun. This entertaining and educational book is great for kids, grown-ups, educators and anyone who loves good mysteries, good science, or both! One Minute Mysteries: 65 MORE Short Mysteries You Solve With ScienceThe mysteries are back! 65 More Short Mysteries You Solve With Science continues the fun. Each story takes just one minute to read, but they have a clever twist¿you have to tap into your critical thinking skills to solve them. Challenge your science knowledge in this fun and engaging book. These brainteasers will keep you engaged and eager to learn more! One Minute Mysteries: 65 Short Mysteries You Solve With MathCrack open this book to sharpen your logic and reasoning skills. These literature-based math mysteries take just one minute to read. The brainteasers are entertaining, but even better, their real-world connections help kids see math concepts and quandaries as approachable, learnable and solvable. A fun way to develop deductive reasoning skills and discover the joys of math!