Here’s what you need to know:

Who: The Flashback Four—Luke, Julia, David, and Isabel

What: The mysterious billionaire Miss Z is sending the Flashback Four back in time—to the deck of the doomed Titanic. She wants a shot of the sinking ship for her rare-photograph collection.

Where: The cold waters of the Atlantic Ocean, four hundred miles off the coast of Canada

When: April 14, 1912

Why: The Flashback Four are beginning to wonder, too!

From bestselling author Dan Gutman comes an adventure of titanic proportions as Luke, Julia, David, and Isabel embark on a journey to capture one of the most exciting moments in history. Racing against time and rising waters, the four kids must work together to get the perfect shot and—most important—to get back home!