Sam and his team of archaeologists find and study ancient objects while on a dig at Angkor Wat, and later in the lab they use dating techniques to calculate the age of the artifacts they find.

Celebrates the forms of life that live above and under a pond, including turtles, red-winged blackbirds, blue herons, minnows, frogs, and catfish.

"How do you make a picture book? Well, you need an author, an illustrator, and... a dog?! Acclaimed author Chris Barton and his trusty pooch Ernie show readers how to make a nonfiction picture book . . . about Ernie! From coming up with ideas, researching, and writing a first draft to finding the perfect illustrator, deciding what goes on the cover, and getting every last wrod -- er, word just right, you'll see how a book is made from beginning to...

Bestselling author-illustrator Marissa Moss tells the gripping story of Lise Meitner, the physicist who discovered nuclear fission As a female Jewish physicist in Berlin during the early 20th century, Lise Meitner had to fight for an education, a job, and equal treatment in her field, like having her name listed on her own research papers. Meitner made groundbreaking strides in the study of radiation, but when Hitler came to power in Germany, she...

"Drama, family secrets, and a KGB spy in his own kitchen! How will Yevgeny ever fulfill his parents' dream that he become a national hero when he doesn't even have his own room? He's not a star athlete or a legendary ballet dancer. In the tiny apartment he shares with his Baryshnikov-obsessed mother, poetry-loving father, continually outraged grandmother, and safely talented brother, all Yevgeny has is his little pencil, the underside of a massive...

Packed with stunning photography, Eyewitness American Civil War explores the war that turned the nation against itself. Become an eyewitness to one of the most important times in US history, in this picture-led reference guide that will take you on a visual tour of the American Civil War. Children will be mesmerized by the key events of the conflict, from brutal battles to legendary commanders. This unique, beautifully illustrated guide reveals the...

"April 13, 1970: Two hundred thousand miles from Earth and counting, an explosion rips through Jim Lovell's spacecraft. The crippled ship hurtles toward the moon at three times the speed of sound, losing power and leaking oxygen into space. Lovell and his crew were two days from the dream of a lifetime - walking on the surface of moon. Now, they will count themselves lucky to set foot on Earth again. From "Houston, we've had a problem" to the final...

"In 1914, the assassination of an Austrian archduke set off a disastrous four-year-long conflict involving dozens of countries with battles taking place in all parts of the world. World War I was the first to use planes and tanks as well as deadly gases that left soldiers blinded or "shell shocked" (a condition now called Post Traumatic Stress Syndrome). There were battles that lasted for months with opposing troops fighting from rat-infested trenches,...

"Uncovering the secret lives of pets, Dr. John Bradshaw invites young readers to learn more about their feline friends. Told from the point of view of a cat named Libby, this lively, illustrated book allows kids to follow her for a day and learn more about cats, their likes, dislikes, and everything in between, growing children into the best pet owners they can be"--

"Everyone loves turtles. And no wonder: long-lived, unhurried, and ancient, these shelled reptiles are fascinating. But turtles are also endlessly surprising. There are turtles with soft shells, turtles with googly eyes, turtles with necks longer than their bodies, and turtles whose shells glow in the dark! And each turtle, of each of the more than 300 kinds, is an individual. You’ll meet some of them here: Lonesome George, the last of his kind...