Text and photographs describe the physical characteristics, life cycle, migration, and study of monarch butterflies.

Monarch butterfly populations have been declining for the last two decades, and scientists aren't sure why. This book takes readers on a quest to discover what is happening and what scientists know. --

Gives readers an up-close look at the extraordinarily long North American monarch migration. Includes a concise overview of the species, a table of contents, questions to spark critical thinking, a selected bibliography, sources to guide further research, a phonetic glossary, an index, and an introduction to the author.

What can we learn about the health of an ecosystem through monarch butterflies? This book takes readers through our warming world where butterfly habitats are dwindling. Learn why humans are the cause of dropping butterfly populations and what we can do to help them bounce back.

Describes the various stages of a monarch butterfly's life, from egg to pupa to caterpillar to butterfly, as well as its migration and dangers that it faces.

Introduces the life cycle, feeding habits, migration, predators, and mating of the monarch butterfly through the observation of one particular monarch named Danaus.

Describes the physical characteristics and life cycle of the monarch butterfly.

Information about the physical characteristics, habits, and life cycle of the monarch butterfly is woven into a story.