ace the coding interview with Python and JavaScript

Explores the physical features, behaviors, history of migration, and human threats to American bison.

Explores the physical features, behavior, and history of migration of the monarch butterfly.

"This book covers information (life cycle, appearance, habitat) about the snowy owl. Each chapter discusses an aspect of the snowy owl's life, comparing the bird to a similar bird and to a very differ

Presents information about the physical features, life cycle, and habitat of the ruby-throated hummingbird, discussing a different aspect of its life in each chapter and comparing it to a similar bird

Introduces the physical features, people, and wildlife of North America.

Young readers learn about the continent of South America, including the geography, native animals, people and more.

A harsh and icy land isolated at the far southern reaches of the globe, Antarctica is the most recently discovered of the continents.Rookie Read-About: Continents series gives the youngest reader (Ages 3-6) an introduction to the components that make each continent distinctive and exceptional. Readers will get to know each continents' geography, history, and wildlife.

Discusses the life cycle of plants, examines how they survive in the extreme heat and cold, and explores how new plants develop.

Examines the properties of matter, discussing the different states, densities, and making new kinds of matter.

Save the Planet: Protecting our Natural Resources applies the NCTE/IRA Standards to science and social studies content. Each book sends the reader on a fact-finding mission, posing an initial challeng

Explains how to read various physical maps, from those showing elevation to those depicting latitude and longitude.

Presents a simple introduction to Australia, focusing on its geographical features, people and native animals.

Young readers learn about the continent of Africa.

Describes how motion and forces affect how certain objects move through space, including cars, baseballs, surfers, and roller coasters, and identifies such properties as inertia, friction, and centrip