In the early 1900s, a wild little girl nicknamed Squirrel meets John Muir, later to become a famous naturalist, when he arrives at her parents' hotel in Yosemite Valley seeking work and knowledge about the natural world.

Pip's two grandmothers, who cannot agree on anything, take over coaching her baseball team and create chaos.

Those grandmas from The Grandma Mix-up are back again, sharing a lakeside cabin with Pip and Ski. The kids find it hard to put up with the grandmas' contradictory advice, so they go rowing by themselves to teach the two a lesson.

Mattie Knight loved to make things ranging from a foot warmer for her mother or toys for her older brothers. Or, when she was 12, a metal guard to prevent shuttles from shooting off looms and hurting workers. Later, Mattie invented a machine that could cut and glue the square-bottomed paper bags we still use today. Meet the woman known as "the Lady Edison."

When silent movie director Larry Trimble decides to put Strongheart, a police dog, into his movies as the lead actor, he must first train him to play with toys and walk like a regular dog, but Strongheart becomes a sensation until his military training leads to trouble, and possibly the end of his career. Includes author's note on the real Strongheart.

Born in 1857 and raised in oil country, Ida M. Tarbell became widely known for her series of articles on the Standard Oil Trust-a complicated business empire run by tycoon John D. Rockefeller-that revealed to readers the underhanded, even illegal practices that had led to Rockefeller's success. Rejecting the term "muckraker" to describe her profession, she went on to achieve remarkable prominence for a woman of her generation as a writer and shaper...

"A rhinoceros tours Europe in the mid-18th century and becomes a sensation--based on a true story"--

Monk the little mouse learns from his parents that practice is the way to succeed--whether it is in playing baseball or in playing music.

"Jacques, Jojo, Simon, and Marcel were looking for buried treasure when they explored a cave in the south of France in 1940. But the treasure inside was not what they expected, and in fact far more valuable: the walls were covered with stunning prehistoric paintings and engravings, preserved within the sealed cave for over 17,000 years. This is the true story of the boys who discovered the cave of Lascaux, bringing to the modern world powerful examples...

In this wordless story, four kittens share adventures while their mother is away hunting for food.