PAST AND FUTURE CLASH in the final book of this globe-spanning paleontology thriller trilogy. The threat of extinction by killer organism leads to world war as national powers vie to control the powerful technology uncovered in Thailand. Samira and her team are on the run from the United States government, even as a Chinese paleontologist mirrors their discoveries and resists her own government's demands. Will the ancient creatures they found turn the tide and save humanity before it tears itself apart?

DAVID WALTON "has brought hard sci-fi roaring back to life" (Wall Street Journal) with "vivid, speculative science" (David Brin) in "an expanding universe of delight" (Washington Post). His novels are action-packed thrillers with a spot-on understanding of science and technology. David hails from Philadelphia, where he lives with his wife and eight children. An engineer by day and an author by night, David won the 2008 Philip K. Dick Award for his debut novel, TERMINAL MIND, and the 2018 John W. Campbell Award for THE GENIUS PLAGUE. His books have been translated into eight languages.