Book Giveaway: Win a Free Copy of 'Why Dinosaurs Matter'

Why exactly do dinosaurs matter?

What can we learn by studying Tyrannosaurus rex's banana-size serrated teeth; or by figuring out that duck-billed dinosaurs likely traveled in herds; or by determining that Spinosaurus could swim?

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NO PURCHASE NECESSARY. Open to legal residents of 50 U.S & DC, 18 or older. Employees, agents, officers & directors of Purch Group, Inc. ("Sponsor"), its parent, subsidiaries, affiliates & advertising & promotion agencies (collectively with Facebook, Inc., “Released Parties”) & members of their immediate family (spouse, parent, children, siblings & their respective spouses, regardless of where they reside) & persons living in the same household, whether or not related, are not eligible. Void where prohibited. Subject to all applicable federal, state & local laws.

HOW TO ENTER: Beginning at 1:00 PM Eastern Time on Tuesday, September 26, 2017, visit theLive Science page on Facebook (the "Event Page") to view the livestream video interview of Kenneth Lacovara, author of "Why Dinosaurs Matter" (the "Video"), during which, reporter Laura Geggel will ask a trivia question: "How do you escape from a Tyrannosaurus rex?" ("Giveaway Question"). To enter the Giveaway, answer the Giveaway Question on the Live Science Facebook Page in the comments under the Video between 1:00 PM Eastern Time on September 26, 2017 and 1:00 PM Eastern Time on September 27, 2017. Winners will be chosen at random from those answering correctly. If, for whatever reason, the posting of the Video is cancelled or postponed, this giveaway will not occur. Entries generated by script, macro or other automated means or by any means which subvert the entry process are void. Limit one (1) entry per person/Facebook ID. Multiple entries will be void. Entries become the sole property of Sponsor. Entry must not be offensive or inappropriate, as determined by Sponsor in its sole discretion. Sponsor reserves the right to disqualify any entry and remove any comment that it determines, in its sole discretion, is not in compliance with these Official Rules or is otherwise not in keeping with Sponsor's image.

PRIZE: "Why Dinosaurs Matter," by Kenneth Lacovara (5 prizes available). Approximate Retail Value: $16.99. Prize is awarded "as is" with no warranty or guarantee, either express or implied. Winner is responsible for all federal, state & local taxes. Winner may not substitute, assign or transfer prize, but Sponsor reserves the right, at its sole discretion, to substitute prize (or portion thereof) with one of comparable or greater value. Prize cannot be redeemed for cash. All prize details are at Sponsor's sole discretion.

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Laura is the managing editor at Live Science. She also runs the archaeology section and the Life's Little Mysteries series. Her work has appeared in The New York Times, Scholastic, Popular Science and Spectrum, a site on autism research. She has won multiple awards from the Society of Professional Journalists and the Washington Newspaper Publishers Association for her reporting at a weekly newspaper near Seattle. Laura holds a bachelor's degree in English literature and psychology from Washington University in St. Louis and a master's degree in science writing from NYU.