Examines the many important tasks performed by police officers as part of their jobs, including the prevention of crimes, the handling of emergencies, and the enforcement of laws.

"Describes the features, life, and habits of dolphins, in contrast to human life"--

"As Josephine Jenkins sets off on the Oregon Trail with her mother and younger brothers to reunite with her father out West, she realizes that her beloved diary has gone missing. Meanwhile, her fellow traveler Stephen Byrd is sad to be leaving his friends behind as his family makes the move to Oregon. Follow Josephine and Stephen along the trail as they camp in the wilderness, look out over incredible landscapes, and prepare for their new lives in...

"Describes the features, life, and habits of sharks, and contrasts them to human life"--

Uses a story about two Boston cousins whose fathers are about to be arrested by British soldiers to introduce information about the American Revolution and everyday life at that time.

"Alice Carver is traveling aboard the incredible Titanic with her mother to make a new home in the United States. Meanwhile, William Alexander III is aboard the ship as part of a vacation with his wealthy family. Explore the many features of the Titanic with these characters as they meet and search for fun aboard the ship, and discover what happened when the Titanic collided with an iceberg and began to sink." --

Uses a story about two friends whose parents support opposite sides to introduce information about the Civil War and everyday life at that time.

"Find out what it was like to be a kid during the California Gold Rush."--Provided by publisher.

"As the son of a medieval lord, Henry has lived in a castle all his life. When learns that he must leave home to begin training to be a knight, he turns to his friend Margaret for help. But as a worker in the castle's kitchen, Margaret is envious of Henry's opportunity to see more of the world. Get a glimpse into medieval times by following these two friends as they explore the castle and meet a variety of colorful characters." --Publisher description....