His Contract Christmas Bride (Conveniently Wed!, Book 23) by Sharon Kendrick
A deal before the altar
A passion unlocked by the Greek!
As new guardian to his orphaned nephew, wealthy CEO Drakon must marry! And sweet, caring Lucy is the ideal candidate. But all emotionally scarred Drakon can offer her is a lavish Christmas wedding-and nights of tantalising pleasure! While Lucy accepts, and loves being a stand-in mother, she soon realises she can't be just a wife in name only. Can guarded Drakon give anything more to his contract bride...?