Sally M Walker

"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, his company's home town, and he brought her along to the military camp in England. Winnie followed Harry everywhere and slept under his cot every night. Before long, she became the regiment's much-loved mascot. But who could care...

An introduction to the physical characteristics, habits, and natural environment of the common and the pygmy hippopotamus.

Looks at what light is, and examines how it interacts with different types of matter.

Describes the physical characteristics, life cycle, behavior, and conservation of rhinos.

"This stunning meeting of poetic form and luminous artwork transports us out of the bounds of Earth, past a lunar eclipse, beyond the orbiting planets, and into glowing galaxies and twinkling constellations. Sally M. Walker uses her award-winning skill as a writer of nonfiction to explore space through clever haiku, accompanied by narrative explanations of wonders that are out of this world. Illustrator Matthew Trueman imagines the explosive Big Bang...

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.

Describes the hydrologic cycle and its importance to life on Earth.