Patricia Hutchison – författare

In the 1900s, nearly 300 million people died from the smallpox disease. By 1980, after millions of people received the smallpox vaccine, smallpox had disappeared from the world. Find out more in Vaccines, a title in the Debating the Issues series. Each title in the series features easy-to-read text, stunning visuals, and a challenging educational activity. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more.

Provides readers with an engaging introduction to light. With colorful spreads, clear text, helpful diagrams, and a "Science in Action" activity, this book offers an exciting look at physics in the real world.

Provides readers with an engaging introduction to light. With colorful spreads, clear text, helpful diagrams, and a "Science in Action" activity, this book offers an exciting look at physics in the real world.

Provides a thorough overview of the major pros and cons of vaccines. Readable text, interesting sidebars, and illuminating infographics invite readers to jump in and join the debate.

Provides a thorough overview of the major pros and cons of vaccines. Readable text, interesting sidebars, and illuminating infographics invite readers to jump in and join the debate.

Explores the fascinating world of valleys. Readers will learn how valleys form and how they change over time, as well as the plants and animals that make valleys their home. Featuring vivid photographs, fun facts, focus questions, and resources for further research, this book is sure to support earth science education.

Explores the fascinating world of valleys. Readers will learn how valleys form and how they change over time, as well as the plants and animals that make valleys their home. Featuring vivid photographs, fun facts, focus questions, and resources for further research, this book is sure to support earth science education.

Introduces readers to the roles of butterflies in world ecosystems, as well as threats to butterfly populations and conservation efforts. Eye-catching infographics, clear text, and a “That’s Amazing!” feature make this book an engaging exploration of the importance of butterflies.

Introduces readers to the roles of butterflies in world ecosystems, as well as threats to butterfly populations and conservation efforts. Eye-catching infographics, clear text, and a “That’s Amazing!” feature make this book an engaging exploration of the importance of butterflies.