In 1896, fourteen-year-old Megan joins her sister and family on their steamboat for the summer riding up the Mississippi River towards St. Paul, Minnesota, and through all of their adventures, Megan realizes what is her "true calling."

Luke, Julia, David, and Isabel are headed to the deck of the doomed Titanic. Their mission? Capture a shot of the sinking ship, then come right back. The only problem is, once they arrive aboard the ship, the four friends can?t agree on what to do next. Should they try to save the passengers? Or maybe bring back a priceless book before it sinks with the ship? With real historical photographs to put young readers right in the action, plus back matter...

"Miss Z, a mysterious billionaire and a collector of rare photographs, is sending her four recruits back in time on a mission to capture, for the first time, one of the most important moments in American history--Abraham Lincoln giving his famous Gettysburg address"--

The Flashback Four are coerced by a secret government organization, NOYB, to travel to July 1804 Weehawken, New Jersey, to witness the duel between Alexander Hamilton and Aaron Burr.