Sorting by color, by shape, or by size there are lots of ways to group similar things together! How do you sort the objects in your world? What can you create by sorting? Bright and colorful photos encourage young readers to think about how they can sort the objects around them.

"One of the world's most renowned theoretical physicists, Carlo Rovelli has entranced millions of readers with his singular perspective on the cosmos. In Helgoland, Rovelli examines the enduring enigma of quantum theory. The quantum world Rovelli describes is as beautiful as it is unnerving. Helgoland is a treeless island in the North Sea where the 21-year-old Werner Heisenberg first developed quantum theory, setting off a century of scientific revolution....

"The acclaimed author of the influential bestseller The Black Swan, Nicholas Nassim Taleb takes a next big step with a deceptively simple concept: the "antifragile." Like the Greek hydra that grows two heads for each one it loses, people, systems, and institutions that are antifragile not only withstand shocks, they benefit from them. In a modern world dominated by chaos and uncertainty, Antifragile is a revolutionary vision from one of the most subversive...

A landmark in scientific writing. For this expanded edition, Professor Hawking prepared a new introduction to the book, wrote an entirely new chapter on wormholes and time travel, and updated the original text. This edition is enhanced throughout with more than 240 full-color illustrations, including satellite images, photographs made possible by spectacular technological advances such as the Hubble Space Telescope, and computer-generated images of...

At a time when popular atheism books are talking about the irrationality of believing in God, Willard makes a rigorous intellectual case for why it makes sense to believe in God and in Jesus, the Son.

Explores the history and concepts of physics, including quantum mechanics and relativity theory, within the framework of Eastern thought to unravel the mysteries of the physical universe.

Learn to train your eyes and your mind to help you estimate number of objects in a group.