The Thinking Toolbox has been the best selling text for teaching critical thinking skills and introduction to logic for over 15 years. This book is like a toolbox, full of different kinds of tools you can use for different thinking tasks. Just as you use the wrench in a regular tool box to fix the sink, so you can use the tools we give you in this book to solve thinking problems.

In this, the Henty novel covering the oldest time period of any, listeners will learn much about the domestic life, customs, religion, and military system of ancient Egypt. Amuba, a prince of the Rebu nation on the shores of the Caspian Sea, with his charioteer Jethro, is carried into slavery after losing a battle with the Egyptians. They become servants of the house of Ameres, an Egyptian high priest, and are quite happy there until the priest's son accidentally kills the sacred cat of Bubastes.

Winner of the American Library Association's 1956 Newberry Award! Carry On, Mr. Bowditch tells the inspiring, true adventures of Nat Bowditch, a boy during the American Revolution. Nat's passion for learning and his unstoppable spirit lead him from poverty and servitude to triumph and adventure at sea. Ultimately, Nat achieves everlasting fame for revolutionizing navigation, thus streamlining voyages and saving countless lives.

With fighting erupting around his Kansas farm, 16-year-old Jefferson Davis Bussey can hardly wait to join the Union forces. He wants to defend his family from the dreaded Colonel Watie and his Cherokee Indian rebels. After enlisting, Jeff discovers the life of a soldier brings little glory and honor. During battle, his friends die around him. And when he infiltrates Watie’s camp as a spy, he discovers the enemy is much like himself—only fighting for a different cause.

The Fallacy Detective has been the best-selling book for teaching logical fallacies and introduction to logic for over 15 years. What is a fallacy? A fallacy is an error in logic a place where someone has made a mistake in his thinking. “A cloud is 90 percent water. A watermelon is 90 percent water. Therefore, since a plane can fly through a cloud, a plane can fly through a watermelon.” This is an easy book for learning to spot common errors in reasoning. For ages 12 through adult. Fun to use - learn skills you can use right away.