"The Anthropocene is the current geological age, in which human activity has profoundly shaped the planet and its biodiversity. In this remarkable symphony of essays adapted and expanded from his groundbreaking podcast, John Green reviews different facets of the human-centered planet-from the QWERTY keyboard and Staphylococcus aureus to the Taco Bell breakfast menu- on a five-star scale. John Green's gift for storytelling shines throughout this artfully...

"Seventh-grader Grace, her younger brother Wyatt, and their parents travel across Wisconsin following the path of the Ice Age National Scenic Trail. Along the way, they discover the state's fascinating glacial history and the amazing effects of the glaciers on Wisconsin. The Ice Age Trail is part of the National Trails System that includes 10 other National Scenic Trails. It follows the edge of the Laurentide Ice Sheet, a half-mile thick glacier...

Mighty Minerals introduces readers to what minerals are, how they form, and how we use them today. Chapters discuss how to identify minerals, including color, luster, streak, fracture, hardness, specific gravity, magnetism, and fluorescence. A colorful diagram of the rock cycle furthers understanding of mineral formation and an at-home experiment provides the opportunity for hands-on experience. Full-color photographs will draw in readers while the...

"Hit the trail for a dramatic look at Wisconsin's geologic past. The impressive bluffs, valleys, waterfalls, and lakes of Wisconsin's state parks provide more than beautiful scenery and recreational opportunities. They are windows into the distant past, offering clues to the dramatic events that have shaped the land over billions of years. Author and former DNR journalist Scott Spoolman takes readers with him to twenty-eight parks, forests, and natural...

"An exploration of the Grand Canyon on a grand scale, as only Jason Chin can illustrate and explain"-- A river winds through the landscape, eroding the rock for millions of years, shaping a cavity in the ground 277 miles long, as much as 18 miles wide, and more than a mile deep known as ...Grand Canyon. Home to an astonishing variety of plants and animals that live within its walls, Grand Canyon is much more than just a hole in the ground. Follow...

This book concludes the story of Ayla, her mate Jondalar, and their little daughter, Jonayla, taking readers on a journey of discovery and adventure as Ayla struggles to find a balance between her duties as a new mother and her training to become a Zelandoni one of the Ninth Cave community's spiritual leaders and healers. Once again, Jean Auel combines her brilliant narrative skills and appealing characters with a remarkable re-creation of the way...