Title: The Titanic Secret
Subjects: nyt:hardcover-fiction=2019-09-29, New York Times bestseller, Pitt, dirk (fictitious character), fiction, Private investigators, fiction, Scientists, fiction, New york (n.y.), fiction, Colorado, fiction, Fiction, action & adventure, Fiction, suspense, nyt:mass-market-monthly=2020-09-13, Fiction, thrillers, suspense