Winnie : the true story of the bear who inspired Winnie-the-Pooh —Walker, Sally M., author.

"When Harry Colebourn saw a baby bear at a train station, he knew he could care for it. Harry was a veterinarian. But he was also a soldier in training during World War I. Harry named the bear Winnie, short for Winnipeg,...

Investigating sound —Walker, Sally M.

Electricity —Walker, Sally M.

Rocks —Walker, Sally M.

Investigating magnetism —Walker, Sally M.

We are the weather makers : the history of climate change —Walker, Sally M.

Offers a look at the history of climate change, how it will unfold over the next century, and what we can do to prevent a cataclysmic future.

Investigating light —Walker, Sally M.

Studying soil —Walker, Sally M., author.

Marveling at minerals —Walker, Sally M.

Readers learn about minerals, their properties, and their uses.

Blizzard of glass : the Halifax explosion of 1917 —Walker, Sally M.

The 18 penny goose —Walker, Sally M.

Eight-year-old Letty attempts to save her pet goose from marauding British soldiers in New Jersey during the Revolutionary War.

Fossils —Walker, Sally M.

Investigating electricity —Walker, Sally M.

The Vowel family : a tale of lost letters —Walker, Sally M.

The members of the Vowel family have a hard time talking until their children, Alan, Ellen, Iris, Otto, and Ursula, are born, and when one of them gets lost one day, it takes their Aunt Cyndy to fix the problem.

Freedom song : the story of Henry "Box" Brown —Walker, Sally M.

Henry Brown copes with slavery by singing, but after his wife and children are sold away he is left with only his freedom song, which gives him strength when friends put him in a box and mail him to a free state.

Seahorse reef : a story of the south Pacific —Walker, Sally M.

Describes a sea horse living in the coral reefs of the central Philippines, its habitat, life cycle, food, and how it protects itself from predators.

Put pulleys to the test —Walker, Sally M.

Champion : the comeback tale of the American chestnut tree —Walker, Sally M., author.

"The story of the near-extinction and recovery of the American Chestnut tree."-- Provided by publisher.

Druscilla's Halloween —Walker, Sally M.

In the time when witches tiptoe about to have their Halloween fun, ancient Druscilla knows her creaking knees will prevent her from being sneaky and sets out to find a silent conveyance for herself, her cat, and her jack...

The search for Antarctic dinosaurs —Walker, Sally M.

Describes how scientists found a new dinosaur in the Antarctic.