Books in Crabtree Connections Level 1: at Level series

Whats really lurking at the bottom of the ocean?

Would you dare be the surgeon on board a sailing ship in the 1700s? You'll need to know

Introduces the rain forest, discussing various animals, plants, and bugs found there.

Introduces readers to knights and knighthood.

Describes how to use a map, including indicating landmark symbols and cardinal directions, and discusses how to determine if a landscape has changed based on map information.

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Help save the planet by going green! From disappearing animals to drastic droughts, the planet is in trouble and you can do something to help. Learn about conserving water, saving forests, and fighting car fumes.

Introduces the architecture, city life, cuisine, entertainment, religion, and technology of ancient Rome.

Introduces major developments in modern medicine, from William Harvey's discovery that the heart is a pump to the development of an artificial heart, and explains original reactions and the difference these changes made in health care.

Discover everything you need to know about the outdoors. This book reveals the secret life hiding in your backyard, including whats lurking in the ground, what spins a home inside its body, and what creature can carry over ten times its body weight.

Take a trip to outer space! Watch out for:

Explains some of the important safety skills people need to survive during war.