"Learn all about unmanned aircraft, or drones, including how they were invented and improved over time, what they are used for today, and why they have sometimes caused controversy"--

"Learn all about ADHD, from what causes it and how it affects people to how it is diagnosed and treated"--

Looks at the history of baseball, explaining different positions on a team, the way a field is arranged, and the rules of the game.

"Learn all about the history of computers, from how they were first invented to how they impact our lives today."--

"Learn how video games are designed and find out how you can create games of your own."--

"This book explains how grains are grown, harvested, and processed. It also explores the debate around genetically modified crops"--

"Learn all about robots, from how they are designed and built to which exciting new kinds of robots you might see in the future."--

"Often called the crown jewel of Maine, Acadia National Park contains more than 47,000 acres of gorgeous coastal landscapes. As they explore the park, readers will learn about its plants, wildlife, and geographic features. They will also discover how the landscapes were formed, when people first arrived in the area, why the land was chosen to be a national park, and more."--

Located far to the north, Alaska's relative isolation from the rest of the country has helped it foster a unique local culture that makes it stand out from the other states. Readers will tour this icy state and see how its people live. They will also find out how the area was first settled, what events led to it becoming a state, how it is governed today, and more.