Text, photographs, and illustrations provide an introduction to black holes, covering what they are, how they form, how scientists study them, and other related topics.

How long does it take to get into outer space? About nine minutes! Powerful vehicles carry people beyond Earth's atmosphere in a short time. But astronauts train for years before they go on missions. In this book, you'll learn about what it's like to be an astronaut in space! As part of the Searchlight Books collection, this series explores outer space and sheds light on the question What's Amazing about Space? Fantastic photos, kid-friendly explanations...

"Growing up, Joanna L. Kelley was quizzed at the dinner table. As an adult, she's answering even tougher questions. Her research helps scientists treat tumors and understand evolution. Learn how Joanna became a genetics superstar."--

An uplifting portrait of a leading NASA engineer describes her childhood ambition to pursue a life in science, her achievement as her university's first woman to receive a Ph.D. in her field and her pivotal role in building history-making spacecraft. --Publsiher's description.

Leveled text with photos and critical-thinking questions will help young readers learn what tools nurses use to do their job.

Leveled text with photos and critical thinking questions will help young readers learn about the tools police officers use to help their community.

Leveled text with photos and critical-thinking questions will help young readers learn what tools librarians use to do their job.

Leveled text with photos and critical thinking questions will help young readers learn about the tools firefighters use to help their community.

"A fun "grab-bag" of off-the-wall factoids introduces readers to awesome inventions related to transportation and vehicles"-Provided by publisher.

"The biggest stars of gaming draw in millions of dollars and fans. Meet the greatest streamers, creators, and players in this look at the top of the gaming world"--