Captain Meriwether Lewis's dog Seaman describes his experiences as he accompanies his master on the Lewis and Clark Expedition to explore the uncharted western wilderness.

Publisher Annotation: Shy high school junior Riley Kowalski is spending her winter break on a research trip to Antarctica, sponsored by one of the world's biggest tech companies. She joins five student volunteers, a company-approved chaperone, and an impartial scientist to prove that environmental plastic pollution has reached all the way to Antarctica, but what they find is something much worse... something that looks human. Riley has anxiety--ostracized...

Molly, Emmett, and Molly's mother compete in a high-profile race to become the first people to reach the South Pole, where Emmett's father, explorer and ship captain Wendell Lee, disappeared years ago.

The cabin boy on the "Santa Maria" keeps a diary which records his experiences when he sails with Columbus on his first voyage to the New World in 1492.

Morning Girl, who loves the day, and her younger brother Star Boy, who loves the night, take turns describing their life on an island in pre-Columbian America; in Morning Girl's last narrative, she witnesses the arrival of the first Europeans to her world.

In 1914 England, eighteen-year-old American Clara lies about her age and citizenship to land a coveted spot on an Antarctic expedition, but when the crew is marooned on an ice floe, Clara's mission to advance the women's suffrage movement takes a back seat to survival.

"Describes the exploration of North America in the times of explorers Christopher Columbus, Francisco Vázquez de Coronado, and Sieur de La Salle. The reader's choices reveal the historical details from Columbus' voyage in 1492, Coronado's 1540 expedition, and Sieur de La Salle's expedition down the Mississippi River in 1682"--Provided by publisher.

A fictionalized account of the life of Pocahontas who befriended Captain John Smith and the English settlers of Jamestown.

On their second mission to find another habitable planet, the four mutant animals, LaserShark, AstroWolf, SmartHawk, and StinkBug, splash land on the Water Planet, run by some suspiciously friendly clams, who are very eager to swap planets--and if the AstroNuts can stop arguing among themselves they may find out why before it is too late.

In this third adventure, the Time Dogs--Baxter, Trevor, Newton, Maia, and Titch--find themselves transported back to the year 1800 to the Swiss Alps. There they meet Barry, a famous Great Saint Bernard rescue dog who saved many lives during his service in the mountain rescue program. Together, the Time Dogs and Barry help rescue a boy trapped in a storm.