I enjoyed this a bit more than most Viola Grace books. I regard VG books as literary popcorn--one is never enough. I buy them in groups and consume them as fast as I buy them. They are short, easy reads. Many are not terribly memorable, though.
This one stands out. The heroine and the hero meet while she's on the job as a courier. They make a bet on the outcome of a game they play (something like handball, I suppose). She loses. Her forfeit is stated in what might be euphemistic terms. They have sex and spend the night together, whereupon she believes all is said and done. He disagrees because he's holding her to the letter of the agreement. So at some future time, he expects payment.
She gets injured and because she's pregnant--oops!--she falls into his care and is more or less given to him by the Imperium. (Thanks! Amy.) Meanwhile, he continues to insist that she has never fulfilled the letter of their bet, and it is evident he never will accept it paid.
He's a piece of work.
Funny.