Rachel A Koestler-Grack

Polar bears are Arctic survivors! But climate change and human activity put the bears in jeopardy. This title introduces the threats that polar bears face and how humans can help their chances for survival. Leveled text and crisp photos highlight the main points, while special features map where polar bears live, show their conservation status, introduce cause and effect, and show why the survival of polar bears matters.

The brilliantly colored poison dart frog communicates with its skin. Its bright colors signal predators that this frog is poisonous. Read about this amazing creature's other physical features and behavior in this book that explores where a poison dart frog lives, what food it eats, and how and where it sleeps.

"Developed by literacy experts for students in grades three through seven, this book introduces young readers to the geography and culture of Sweden"--Provided by publisher.

Describes Kennedy's road to presidency, his assassination, the arrest of the assassin, and the ways that the United States changed following his death.

Elementary readers will follow the sequence of how robots have changed from early automatons to today's autonomous delivery drones.

"Relevant images match informative text in this introduction to how tulips grow. Intended for students in kindergarten through third grade"--

Simple text and photographs provide an introduction to Day of the dead.

Young readers explores the many adaptations and survival skills jaguars have developed to thrive in their rain forest home.

Highlights the changes in automobiles from the first steam-powered cart to today's driverless cars.