 Each one-minute mystery ( solutions included) exeercises critical thinking skills while covering earth, space, life, physical, chemical and general science. $12.95 |  65 More Short Mysteries You Solve With Science The sequel to "One Minute Mysteries: 65 Short Mysteries You solve With Science". $12.95 |  Using an accessible question-and-answer approach, this book expands a reader's knowledge whether she/he is 8 or 108.
Revised & Updated $12.95 |
 Vicki Cobb $14.99 |  Vicki Cobb $12.95 |  Rick Allen Leider $14.99 |
 Vicki Cobb $19.95 |  This book reveals the little-known stories behind well-known inventions such as... $12.95 |  More Invention Mysteries $12.95 |
 Teaching the Fun of Science by Janice VanCleave $19.95 |  Lars-Åke Janzon $12.95 |  Margaret Angermeyer Mangan $16.99 |
 Randi Stone $16.99 |