Martha E. H Rustad

"Your respiratory system carries oxygen throughout your body. Breathe it all in, and learn how your lungs take in clean air while getting rid of waste. Download the Capstone 4D app to access a variety of bonus content"--

"The weather is cold today. Do you know what to do? Come explore the weather today and learn what to do on a cold day." -- Publisher's website.

"This easy-to-read nonfiction story tells a "night in the life" of an owl, from waking up, hunting, and feeding babies, to going back to sleep when the sun comes up"--

"This easy-to-read nonfiction story tells a "night in the life" of a bullfrog, from waking up, finding food and finding a mate, to going back to sleep when the sun comes up"--

"This easy-to-read nonfiction story tells a "night in the life" of a raccoon family, from waking up, finding food and swimming, to going back to sleep when the sun comes up"--

"What does it take to become an astronaut? How do astronauts train to be in outer space? Readers will learn all about what it's like to become an astronaut. Low-leveled, chunked text alongside stunning photographs will engage the youngest space enthusiasts."--Provided by publisher.

"Describes helicopters, their main features, and how they are used"--Provided by publisher.

"Introduces airplanes to young readers, including the history and technology of flight"--Provided by publisher.