num_pages: 32
description: Examines the mass extinction of dinosaurs and offers a possible explanation of the causes.
language: English
title: What Killed The Dinosaurs?
titlecomplete: What Killed The Dinosaurs? (21st Century Library of the Universe)
genres: Science
ratings_count: 10
series: Isaac Asimov's New Library of the Universe
publisher: Gareth Stevens Publishing, Inc.