¿Lo pensaste alguna vez?

What is global warming? Why are forests disappearing? How can air pollution be reduced? This timely series introduces children to key environmental issues of the 21st century. The books explore the causes and effects of different environmental crises and ways people are working to reverse humans' harmful effects on our planet.

This book looks at natural structures such as plants, animal bodies, mountains, caves, rock formations, and icebergs, the materials from which they are made, and their colors, shapes, and textures. It shows structures made by animals, such as beehives and bird nests. This wonderful book with amazing photos will encourage young readers to notice colors and shapes in nature and how they relate to the purpose of structures.

Texas has had some extraordinary people. This book covers some of them, such as Melinda Gates, astronaut Shannon Walker, and Bessie Coleman, the first African American female pilot. Age-appropriate text teaches readers about Texas's most important movers and shakers, while historical and contemporary images reinforce the book's key concepts.

This book makes learning about the concept of opposites fun, as readers discover recognizable examples of objects that are hot and cold! Using colorful photographs that connect to simple text, alongside exciting and recognizable sight words, young readers will enjoy learning about hot and cold things, while also building confidence in their reading skills. This book also includes a page for caregivers and teachers that suggests guiding questions to help aid in reading comprehension.