Astound your friends! Impress party guests! Annoy your relatives! This book contains 100 science puzzles. It includes answers to each problem that explains a scientific principle…
Astound your friends! Impress party guests! Annoy your relatives! This book contains 100 science puzzles. It includes answers to each problem that explains a scientific principle…
Including mind boggling brain teasers with surprisingly straight-forward answers, this novel quiz book will leave you begging for more The problems in this book describe even…