Martha E. H Rustad

We watch videos on our smartphones and tablets. We read books on E-readers. Devices with screens are part of our everyday lives. But too much time on these devices can be unhealthy. Engaging text and colorful photos explain how to cut the screen time. Limit Screen Time includes a glossary, read more section, kid-friendly internet sites, and an index.

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.

Whether you like bedtime or not, sleep is important. But why do we need to sleep? And what happens while we sleep? These questions and more will be answered in Rest Your Body, which also includes informative text, bright photos, a glossary, a read more section, kid-friendly Internet sites, and an index.

"Sometimes you feel happy. Sometimes you feel sad. Sometimes you don't know how you feel. You feel lots of different things all day long. Talk about your feelings and learn how to deal with them"--

A group of children learn about the Statue of Liberty, discussing where it came from, how it was built, and why it is green.

"Will it be now or will it be later? Use a measuring tool to measure the time. From seconds to years, learn about time and become a measuring master"--