Snedden, Robert

Describes the physical characteristics of birds, how they fly, lay eggs, and differ from other animals.

Introduces students to different types of reptiles, describing what they look like, where they live, how they reproduce, grow, feed, and protect themselves, and the role they play in life on Earth.

Describes the characteristics of mammals, explaining what makes them different from other animals, and discusses many species as examples.

Introduces children to some of the world's most unique types of fish and describes general fish anatomy, the methods they use to survive, the role they play in life on the planet, and other related topics.

Offers children an overview of birds, describing their common characteristics, behavior, eating habits, and how they differ from other animals.

Offers children an overview of amphibians, describing their common characteristics, behavior, eating habits, and how they differ from other animals.

A color-illustrated introduction to the states of matter that discusses melting and freezing, boiling and evaporation, electric plasma, and other related topics, and includes instructions for experiments, a glossary, and a further-reading list.

A color-illustrated introduction to the science of separating materials that discusses compounds and mixtures, solutions, sieves and filters, oil refining, ores and extraction, and other related topics, and includes instructions for experiments, a glossary, and a further-reading list.

A color-illustrated introduction to materials technology that discusses superconductors, polymers, alloys, ceramics, glass, the chemical industry, and other related topics, and includes instructions for experiments, a glossary, and a further-reading list.

A color-illustrated introduction to the science of materials that discusses chemical reactions, physical changes, and other related topics, and includes instructions for experiments, a glossary, and a further-reading list.