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Monarch butterfly populations have been declining for the last two decades, and scientists aren't sure why. Skilled science writer Hirsh takes readers on a quest to discover what is happening and what scientists know. Full color.

Should you encounter any of the plants in this book, do not treat them lightly. They can kill you. Or cause you unbearable agony. Or land you in jail. Consider yourself warned." Science, history, mystery, and horror intersect in a brilliantly illustrated compendium that explains how certain plants evolved to avoid being eaten--and how their toxic chemicals have been used by humans for medicine, warfare, and sinister acts of foul play. Award-wi...

Should you encounter any of the plants in this book, do not treat them lightly. They can kill you. Or cause you unbearable agony. Or land you in jail. Consider yourself warned." Science, history, mystery, and horror intersect in a brilliantly illustrated compendium that explains how certain plants evolved to avoid being eaten--and how their toxic chemicals have been used by humans for medicine, warfare, and sinister acts of foul play. Award-wi...

What are the tallest living things on Earth? Trees! Discover what growing trees need so they can rise to the sky in this lyrical look at the tree life cycle"--

Can we harvest clean wind energy without harming seabirds?

A gorgeously illustrated peek at what animals do while we sleep

In the face of rapidly declining bird populations, read about the vast impacts birds have on ecosystems, food systems, and our mental health and what we can do to protect them"--

Humans have five senses. But some animals have a sixth sense. From science writer Rebecca E. Hirsch comes a book about extrasensory animals. Discover how animals use their senses to find food, navigate, and communicate"--

High-interest STEM topics including life on Mars and dark matter are described in an approachable, factual manner to excite and educate young readers.

High-interest STEM topics including life on Mars and dark matter are described in an approachable, factual manner to excite and educate young readers.

High-interest STEM topics including life on Mars and dark matter are described in an approachable, factual manner to excite and educate young readers.

High-interest STEM topics including life on Mars and dark matter are described in an approachable, factual manner to excite and educate young readers.

Discover some of the longest-surviving animals on our planet and find out how they help us understand evolution.

Explore cutting-edge space discoveries with animated 3D models in a thrilling augmented reality experience.

Explore cutting-edge space discoveries with animated 3D models in a thrilling augmented reality experience.

Explore cutting-edge space discoveries with animated 3D models in a thrilling augmented reality experience.

Explore cutting-edge space discoveries with animated 3D models in a thrilling augmented reality experience.

Explore cutting-edge space discoveries with animated 3D models in a thrilling augmented reality experience.

Explore cutting-edge space discoveries with animated 3D models in a thrilling augmented reality experience.

Explore cutting-edge space discoveries with animated 3D models in a thrilling augmented reality experience.