Starside (Deluxe Limited Edition): An Enemies-to-Lovers Romantasy About a Quest for Vengeance Through a Dangerous Land of Magic (Starside Series, 1) — Alex Aster

The Louisiana Purchase: The Grand Bargain and the Making of America (Pivotal Moments in American History) — Alexander Mikaberidze

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WHAT ROMAN COINS MEAN: A Journey Through Ancient Minting and the Art of Roman Coinage (THE ROMAN COINAGE SERIES: History • Craft • Production • Meaning) — Marco J. Rowen

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A Beginner's Guide to Ancient Coins — David R. Sear

The Roman Republic to 49 BCE Using Coins as Sources — Yarrow, Liv Mariah

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Project Pendulum

Robert Silverberg

June 15, 1987 · Hardcover · Walker & Company · 200 pp

Goodreads Amazon

First edition · ISBN 9780802767127 · English · US · Dewey 973.917/092/4 1 · LC E807 .D45 1987

Science Fiction

Hardcover

Project Pendulum is the first practical experiment with time travel. As time mechanics requires that the two travellers' masses be precisely matched, the first travellers are a pair of identical twins. For paleontologist Sean Gabrielson the chance to journey back to the age of donosaurs was worth any risk. For his physicist prother, Eric, the chance to see ninety-five million years in the future was equally irrestisible. What enither planned on, however, was how the inhabitants of those times would react to their presence. But, once their ride through time begins, there is no way for either to leave the experiment un til they reach Time Ultimate, the outer limits of Pendulum's reach.