This novel features the characters Henry DeTramble, a librarian at Chicago's Newberry Library, and the title character, Clare Abshire, an artist from Michigan. Unlike many novels and films, Henry's ability to move in time is genetic, something born out when one of his past selves impregnates Clare with a daughter also capable of moving through time. Identify this scifi-romance novel by Audrey Niffenegger published in 2003.
The Time Traveler's Wife