Books in Crabtree Connections Level 3: at Level Readers series

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.

How does the weather affect you? Discover what strange things are happening to our weatherfrom rising temperatures to record-breaking floods and melting roads.

Discover the secret action heroes of the backyard--who are they, and what are they really doing? Who is the hungriest hunter, the scariest creature, and the most amazing mover?

Take a trip to outer space! Watch out for:

Explores the world of chicks as they grow to be adults.

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

Captain Black is the pirate king of the high seas. Learn all about the life of a pirate in this seafaring adventure!

Use all the clues in this book to find out everything you need to know about where you live. Learn how to use a map to have fun at the beach and find out which photos hold hidden information. Maybe you'll discover that you live on the worlds biggest volcano!

Do you know why we yawn when we are bored, how much your liver weighs, or how much mucus your nose produces? Discover how your different body parts work and why it's important to take care of your body.

Live life in true ancient Greek style with these activities:

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.

What creepy-crawlies live in your back yard? It's a bug jungle out there!