Overview

Cretaceous earth was known as the age of dinosaurs. But really, it was the age of LIFE - scaled and feathered, furry and leathered, budding, blooming, roaring, zooming, buzzing, glorious LIFE - until... DOOMSDAY. For 66 million years, the mystery of what happened to the dinosaurs lay hidden under layers of sand and silt, until scientists began to piece together the puzzle of what happened on the last day of the ancient world. Follow the real-life adventures of father-son scientists Luis and Walter Alvarez - along with an army of science detectives - as they unlock the world's most intriguing mystery. Learn how the smallest particles in the universe helped explain what happened to the largest animals that ever walked the planet. Track the timelines of discoveries that had to happen in physics, paleontology, astronomy, and geology, before humans could understand how and why 75 percent of species suddenly went extinct. This is the story of how scientists add to the sum total of human knowledge, one question at a time, and help us understand our beautiful, tragic, and magnificent world.

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9781643791098

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Junior Library Guild Gold Standard Selection 2025

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Cindy Jenson-Elliott is a science and writing teacher for children of all ages and adults, and is the author of 18 nonfiction books for children. She is an ocean swimmer, avid gardener, and explorer of the extraordinary ordinary world. Find her online at cindyjensonelliott.com. Theo Nicole Lorenz is the illustrator behind several books, including Dinosaurs with Jobs, Unicorns Are Jerks, and The Trans Self-Care Workbook. They live in Saint Paul, Minnesota with their spouse and kid, a ball python, and a pile of cats. Find more of Theo's work at theonicole.com.

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