Sandra Markle

On a rainy day, Ally's mom asks her to come outside where, amidst the oil slicks, dripping awnings, and splashing cars, they find a toad migration taking place.

"This informative title sheds light on a mystery of nature: how little brown bats, nature's insect eaters, are mysteriously dying in their caves during hibernation. Each chapter takes readers into the problems that plague this endangered member of our ecosystem, describing how teams of scientists examined how "white-nose syndrome," caused by a fungus called Pd, is infecting the brown bat population. Scientists have searched different caves and mines...

A godwit hatches, evades predators, and learns to hunt and fly. Then, she sets off on her first migration - 7,200 nonstop miles, from Alaska to New Zealand! Facts about godwits.

Discusses the physical characteristics of owls that combine to make them such able predators.

A koala mother faces two challenges: protecting herself and her joey from the raging bushfire, and finding food after their home range is destroyed. Her journey brings her closer to the world of humans than she has ever been before--but it's a risk she must take. Based on the real-life story of a koala nicknamed Cinders that survived two bushfires.

Describes the inner and outer workings of giant squids, enormous deep-sea creatures that have never been seen alive, discussing their diet, anatomy, and reproduction.

Depicts the hatching, care, growth, and education of baby Adelie penguins.

Twin snow leopard siblings survive their first year of life in Pakistan's Hindu Kush mountains by learning critical skills from their mother, including how to hunt, where to find shelter, and to stay away from humans.

Focuses on big cats such as lions, tigers, jaguars, and cougars.

Facts about porcupines and how they deal with predators.