As the threat of war looms in Europe, dangers to Sophie and her loved ones grow. While her determination to solve the mystery doesn't waver, forces beyond her control conspire to keep her from her purpose. Then, news of her great-aunt Tabitha's death sets off a chain of events that leaves Sophie questioning everything.
The more Sophie learns, the more she realizes that nothing—and no one—in her life is what it seems. And coming to terms with the dark secrets she uncovers means imagining a truth that she never dreamed possible. Full of gorgeous settings, thrilling adventure, and romance, invisible things is a novel that dares to ask, what if?
Jenny Davidson is a professor of comparative literature at Columbia University. She has written an adult novel, several books of nonfiction, and The Explosionist, a novel for teens. She lives in New York City.