Provides information about the secret equipment that espionage agents use to fulfill their missions, from tiny cameras and disguised weapons, to coding devices used to encode secret messages.
A delightful mix of full-color historical reproductions, photos, and hilarious cartoon-style illustrations brings to life the Presidents of the United States of America, combining poignant anecdotes w
A delightful mix of full-color historical reproductions, photos, and hilarious cartoon-style illustrations brings to life the Presidents of the United States of America, combining poignant anecdotes w
Hopefully, the worst thing your pet ever comes home with is bad breath. But some furry friends can carry nasty germs, and that's where zoonotic disease researchers come in and investigate and stop ani
Bacteria are the most common living things on earth and you carry them wherever you go. Most of them couldn't hurt a flea, but if conditions are just right, they can cause big problems!
Presents two real cases in which animals were carriers for disease that affects humans, and discusses how doctors uncovered the cause and attempted to stop the spread of the disease.
Describes how mosquitoes carry diseases, such as malaria, West Nile virus, and dengue, and provides three real-life case studies of how doctors identified and treated mosquito-borne diseases in the Un
Describes how forensic entomologists can use bugs to determine the time of death in criminal investigations, and provides case studies to emphasize the methods used.
Introduces the concept of temperature, tells how it is measured on the Fahrenheit and Celsius scales, and describes why some things--such as food, people, and water--need to be at certain temperatures
"Simple text and supportive images introduce beginning readers to the physical characteristics and geographic locations of mountains"--Provided by publisher.
Tells how the Thanksgiving holiday came about in the United States, and describes the ways many people celebrate this holiday, including watching the parade, eating a feast that includes turkey, and p
Hilarious illustrations, captions, and sidebars show the toil and suffering involved in building the Great Wall of China in the third century BC, removing any glamour thought to be experienced by the
Details the first black South African president's struggles against apartheid, and discusses his optimism and continued activism during twenty-seven years of imprisonment.
Teaching readers about the history, culture, and archaeology of ancient times, each title tells the story of a different featured civilization through its inhabitants, focusing on different segments o
Teaching readers about the history, culture, and archaeology of ancient times, each title tells the story of a different featured civilization through its inhabitants, focusing on different segments o
