A Bride for Dry Creek – Janet Tronstad

Francis Elkton hadn't seen Flint Harris since they'd eloped to Las Vegas on prom night. Thanks to a legal loophole, their vows had meant nothing–or so they'd been told. Now both Francis and Flint were back in Dry Creek, where they were about to discover some shocking news…The fact that he'd unwittingly been married to the woman of his dreams for the past twenty years was the least of Flint's problems. Francis happened to be in danger. As an undercover FBI agent, Flint was determined to save her life. And as her husband, good Lord willing, he was determined to share it from now on…