Hutmacher, Kimberly M

Did you know that the first horns were made from animal horns? Today, French horns are made of metal. Discover more intriguing facts in French Horns, a Musical Instruments book.

Describes the formation of various types of rocks and fossils. Features color photographs, a quiz, a glossary, and further resources.

Explores the sorts of things we can observe in the night sky, like the moon, the constellations, and the motion of the planets.