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WorldCat.org

Tu Books, an imprint of Lee & Low Books Inc.

"Father-son scientists Luis and Walter Alvarez piece together one of the greatest mysteries of all time: What really happened to the dinosaurs? Dive into this fun and informative middle grade non-fiction book, which outlines the many important scientific discoveries that aided the Alvarezes in their search for answers."-- Provided by publisher

The doomsday detectives : how Walter and Luis Alvarez solved the mystery of dinosaur extinction