A smalltown librarian lives out her own fairytale when she meets a handsome billionaire in the New York Times–bestselling author's romance.

After a painful breakup, librarian Phoebe O'Dunn knows that happy endings are rare. In her small Massachusetts town, life is quiet and uneventful . . . until she discovers the library's hidden room. Among its secrets, she finds a spectacular gown—a perfect princess costume for an upcoming masquerade gala in Boston.

Billionaire Noah Kendrick is normally wary of meeting women. But as a handsome swashbuckler, he sweeps the beautiful princess Phoebe off her feet. When they meet again in Knights Bridge, neither recognizes the other at first. And neither one is sure they can trust the magic of the night they shared—until an unexpected threat prompts them to unmask their truest selves.