An angry, grieving seventeen-year-old musician facing expulsion from her prestigious Brooklyn private school travels to Paris to complete a school assignment and uncovers a diary written during the French revolution by a young actress attempting to help a tortured, imprisoned little boy--Louis Charles, the lost king of France.

While in Paris, France on a class trip, Colette Iselin enlists the help of her charming French tour guide to help uncover a possible connection between Marie Antoinette, a series of gruesome murders, and perhaps her own family history, and he also gives her insights into herself.

When Katharine Tulman foils an attempt to kidnap her Uncle Tully, she finds herself caught up in international intrigue. Aware that there are people who want to turn her uncle's mechanical fish into an explosive device, and unsure of who to trust, she decides to fake her uncle's death and flee to Paris in search of Lane Moreau, her uncle's assistant.

Serena Fuentes won't waste one moment of her whirlwind trip to Paris. She has it all mapped out, right down to the photos she will take, and the last thing she wants is a change in plans. Yet suddenly she's touring the city with Jean-Luc, a French friend of her sister's boyfriend. He has to take pictures of his own if he ever hopes to pass his photography class, and his project totally slows Serena down. Why can't he get with her program? One minute...

Sixteen-year-old Alice is spending the summer in Paris, but she isn't there for pastries and walks along the Seine. When her grandmother passed away two months ago, she left Alice an apartment in France that no one knew existed. An apartment that has been locked for more than seventy years. Alice is determined to find out why the apartment was abandoned and why her grandmother never once mentioned the family she left behind when she moved to America...

In the Sunken City that was once Paris the guillotine rules again, while Sophia Bellamy from the Commonwealth across the Channel Sea tries to rescue as many of the revolution's victims as she can smuggle out, and some prisoners disappear from their cells, with a red-tipped rook feather left in their place--but who is the mysterious Red Rook and where does Sophia's wealthy fiancé, René Hasard, fit in?