Lexile measure 660; Ages 4-8; PrK-Gr.3.
In this tongue-in-cheek guide, an in-the-know narrator instructs kid readers in the fine art of explaining robotics to a grown-up. Both children and their adults learn- what makes a robot a robot, who designs and builds robots, and how robots work on their own to get a job done.

Ages 8-12; Gr.4-6.
Power to the Parasites! lets you in on a secret: Parasites are all around you, all the time, quietly running the world. You might think of them as slimy, disgusting freeloaders - tapeworms and roundworms and ticks and lice, too small to be important and too selfish to be valued. But by the end of this book, you'll realize that sometimes parasites are the good guys.

Ages 8-13; Gr.3-7.
Observology is the study of looking. An observologist makes scientific expeditions, albeit very small ones, every day. They notice interesting details in the world around them. They are expert at finding tiny creatures, plants, and fungi. They know that water snails glide upside down on the undersurface of the water; not all flies have wings; earthworms have bristles; butterflies taste with their feet. An observologist knows that there are extraordinary things to be found in even the most ordinary places.

Lexile measure 1140; Ages 10-15; Gr.5-7.
Wildfires have been part of the American landscape for thousands of years. Forests need fire--it's as necessary to their well-being as soil and sunlight. But some fires burn out of control, destroying everything and everyone in their path. In this book, you'll find out about- how and why wildfires happen how different groups, from Native Americans to colonists, from conservationists to modern industrialists, have managed forests and fire the biggest wildfires in American history--how they began and dramatic stories of both rescue and tragedy what we're doing today to fight forest fires.

Lexile measure 920; Ages 5-8; Gr.1-3.
The Golden Gate Bridge, beloved landmark and symbol of San Francisco, finally gets a gorgeous picture book that tells the thrilling story of how it was built! Across a treacherous strait where deep ocean waters rip back and forth with the tides, and during the depths of the Great Depression, daring teams of engineers and builders set out to make something many thought impossible.

Ages 8-12; Gr.3-7.
Insect-extraordinaire Jay Hosler is back, this time exploring how we seek to understand ourselves and the world around us through the eyes of one of our world's tiniest creatures: the ant. Meet Rubi, a tiny ant with a big personality and an even bigger love for stories. Who knew the small world of her colony could be full of unexpected friendships, epic adventures, and death-defying escapes. Follow Rubi on the journey of a lifetime as she uncovers the mystery and wonder of one of the world's tiniest, mightiest insects.

Ages 13-18; Gr.7-9.
Thousands of years ago, humans believed that Earth was the center of the universe, that the world they lived on was all there was. Truthfully, the solar system extends almost halfway to the nearest star. And it is composed of not only planets, asteroids, and comets, but also powerful forces and vast fields of energy. This is our solar system's big backyard. The cold, dark world that lies at the farthest reaches of our solar system holds a vast collection of secrets, and for most of human history, we had no idea anything was out there. But, driven by curiosity and equipped with new technology, astronomers have determined that beyond the orbit of Neptune are countless icy comets, strange particles that dance under the influence of the sun, and signs of undiscovered planets.

Lexile measure IG920L; Ages 9-12; Gr.4-6.
In this beautifully illustrated book Dr. Allison K. Rodgers simply explains everything from why we have periods to sex and consent in the age of social media. You'll learn the correct names for everything, realize pubic hair is TOTALLY NORMAL, and discover the magical self-cleaning properties of vaginas.

Ages 7-9; Gr.2-4.
Lurking at the center of our galaxy and in the farthest reaches of space are black holes. Once unseeable and unknowable, these cosmic devourers--sometimes born from the death of stars--swallow even light itself. What exactly is a black hole? And how do we even know they exist? In a kid-friendly, rhyming narration, the elusive astronomical object introduces itself as both a behemoth star-eater and a shy, rarely-spotted phenomena.