Harlequin Romance Series by Margery Hilton

Exotic Bangkok was the setting for love Virginia had long carried a torch. for Brent, but he had eyes only for her sophisticated sister, Anna. When Brent was blinded in an accident and Anna jilted him, Virginia couldn't resist the chance to express her love. Letting Brent believe she was Anna, she went to Thailand and married him. But from her wedding night onward, Virginia was forced to realize that she was trapped by her own deception...