Synopsis: On his summer vacation, Galileo Galilei hears about the newly invented telescope and decides to build one of his own. Turning his new "spyglass" to the night sky, he sees things that no one has ever seen before. He discovers that the Milky Way is made of stars, and that the moon has mountains. He also notices a strange formation of "stars" that will eventually turn people's understanding of the world upside down. Fictional journal accounts…

Synopsis: This is volume four, Reading Level 1, in a comprehensive program (Reading Levels 1 and 2) for beginning readers.Two nine-book sets teach reading to children from preschool to grades K and 1, emphasizing phonics while also presenting a lively and engaging collection of facts and stories to make kids…

Synopsis: What's strong enough to smash atoms? What's able to power high speed trains? What can defy the force of gravity? It's in metals. It's in Earth. It's magnetism! Filled with interesting facts and easy at-home magnet experiments.

Synopsis: Easy-to-grasp explanation of three forms of energy: sound, heat, and light.

Synopsis: Easy activities provide instruction for observing the sun and discovering the many ways it can affect the things we do every day.