The biggest thriller of the year: A history-making eruption is about to destroy the Big Island of Hawaii. But a secret held for decades by the US military is far more terrifying than any volcano.

"The first summer blockbuster masterpiece... as thrilling and jaw-dropping as Jurassic Park." --Don Winslow, #1 internationally bestselling author of The Cartel and City on Fire

"This is heart-pounding storytelling at its finest. I dare you to try and put this amazing book down." --T.J. Newman, #1 internationally bestselling author of Falling and Drowning: The Rescue of Flight 1421

"The once-in-a-lifetime combination of Michael Crichton and James Patterson results is one of the most entertaining novels I've read in years." --Adrian McKinty, #1 internationally bestselling author of The Chain

The master of the techno-blockbuster joins forces with the master of the modern thriller to create the most anticipated mega bestseller in years.

Michael Crichton, creator of Jurassic Park, ER, Twister, and Westworld, had a passion project he'd been pursuing for years, ahead of his untimely passing in 2008. Knowing how special it was, his wife, Sherri Crichton, held back his notes and the partial manuscript until she found the right author to complete it: James Patterson, the world's most popular storyteller.