Ethan, Eric

Simple text and photographs describe what turquoise looks like, where it is found, how it is used, what makes it valuable, and other related topics.

Simple text and photographs describe what rubies look like, where they are found, how they are used, what makes them valuable, and other related topics.

Simple text and photographs describe what emeralds look like, where they are found, how they are used, what makes them valuable, and other related topics.

Simple text and photographs describe what sapphires look like, where they are found, how they are used, what makes them valuable, and other related topics.

Simple text and photographs describe what diamonds look like, where they are found, how they are used, what makes them valuable, and other related topics.

Describes what various types of vipers look like, what they eat, where they can be found, how they defend themselves, the danger from their bites, and the outlook for their future.

Colorful photographs and simple text describe what rescue boats do and introduce the people who operate them.

Describes what rattlesnakes look like, what they eat, where they can be found, how they defend themselves, the danger from their bites, and the outlook for their future.

Colorful photographs and simple text describe what police cars do and introduce the people who operate them.

Colorful photographs and simple text describe what helicopters do and introduce the people who operate them.