Within the margins of an antique book, a timeless love waits for a young woman on the precipice of a terrible mistake in this enthralling new novel from the acclaimed author of Some of It Was Real. Constance Sparks always says yes...when her capricious best friend needs money; when her boss gives her more responsibility without a raise; and when her boyfriend, Hayden, who is very kind but also secretive, asks her to marry...