"Machu Picchu, a UNESCO world heritage site, is one of the most important archaeological finds in history. This sanctuary stands at the boundary between the Peruvian Andes and the Amazon Basin, making for spectacular views. But the people who built this sanctuary, the Inca, are much more mysterious. Who Built Machu Picchu? will give readers insight about how these people lived, what their customs were, and how this awe-inspiring city was found after...

"Animals that are better adapted to their environment tend to survive and have more offspring." He named this idea natural selection. This fascinating biography details the life and achievements of Charles Darwin, a scientist who made significant contributions to the field of natural history. Darwin's groundbreaking Theory of Evolution changed the world's understanding of how animal species grow and change over generations.

Machu Picchu, a UNESCO world heritage site, is one of the most important archaeological finds in history. This sanctuary stands at the boundary between the Peruvian Andes and the Amazon Basin, making for spectacular views. The people who built this sanctuary, the Inca, are much more mysterious. This book gives readers insight about how these people lived, what their customs were, and how this awe-inspiring city was found after the Inca were conquered....

For thousands of years, people have wanted to keep their skin soft and free of blemishes. Bathing and pale, clean skin were signs of wealth and privilege, though skin tanning is popular these days. What substances people have used, however, will surprise and disgust you: whipped ostrich eggs, donkey milk, crocodile excrement, gem stone poultices, crocodile glands, wolf's blood, mud, and even a lotion made from boar's brains. From homemade remedies...

Did you know that a Roman woman was executed in the 1600s for selling a poisonous lipstick that women kissed their husbands to death with? Or that women painted their teeth and nails with radium for a special glow? From Cleopatra to Carole Lombard, Madam C.J. Walker to Madame de Pompadour, Elizabeth I to Elizabeth Taylor, and geishas to flappers, the history of makeup has many exciting, and some deadly moments. This fascinating book is sure to attract...

Extrasensory perception is the ability to hear others' thoughts, predict the future, and have visions. It sounds like a plot point in a superhero fantasy film, but this intriguing resource reveals there might be more truth to it than fiction. Ancient history, including the Greeks' oracles, the Ides of March, and Joan of Arc, provides compelling context. Reports of premonitions and out-of-body experiences have been ample enough for the government to...

John Steinbeck's novels, including The Grapes of Wrath and East of Eden, have been read by students around the world, and they often provide a strong starting point for learning about the devastating effects of the Great Depression. This connection between history and literature is waiting for readers to discover as they take in the fascinating details of Steinbeck's life and closely examine one of his most famous works, Of Mice and Men. Featuring...

One reason why supernatural ghost films are so terrifying is simple: ghosts may actually exist. Ghosts pop up everywhere in popular culture, but the ideology behind them has its roots deep in history. The belief in life beyond death and hauntings started in ancient Mesopotamia and Egypt, then grew over time, as did ghost traditions and superstitions around the world. It's difficult to ignore the numerous accounts of ghost and poltergeist sightings,...

Stephen Hawking's stated his goal was "No less than a complete understanding of the universe." This fascinating biography details the life and achievements of Stephen Hawking, a scientist who made significant contributions to the field of physics. Hawking's theories always inspired and challenged colleagues, and his strength was building on older theories and revolutionizing them into new theories such as black hole radiation.

Charles Dickens often wrote about the social problems of 19th-century England, such as child labor, poverty, and crime. By shedding a light on these issues through popular works of literature, he helped create change. Readers explore this connection between history, social issues, and literature as they examine the details of Dickens's life and literary career through engaging main text, fact-filled sidebars, graphic organizers, and historical images....