Christopher Healy

"Posters plastered across the thirteen kingdoms are saying that Briar Rose has been murdered-- and the four Princes Charming (Prince Liam, Prince Frederic, Prince Duncan, and Prince Gustav) are the prime suspects. In a desperate attempt to clear their names, they discover that Briar's murder is just one part of a nefarious plot to take control of all thirteen kingdoms-- a plot that will lead to the doorstep of an eerily familiar fortress for a final...

"It is 1884, and Molly and Cassandra Pepper, Emmett Lee, and Emmett's long-lost father are sailing back to New York following their death-defying adventure in Antarctica. Having discovered a subterranean world at the South Pole while saving the world from certain doom once again, surely their accomplishments will finally earn them the recognition they deserve. Unless, of course . . . well, you know by now. And so do the Peppers and Lees. They're...

Molly, Emmett, and Molly's mother compete in a high-profile race to become the first people to reach the South Pole, where Emmett's father, explorer and ship captain Wendell Lee, disappeared years ago.