The Viscount's Duel (Scandal in Sussex #3)
Alexandra Ainsworth

Toby Burgess may be a viscount, but he is definitely no hero. After his wife abandons him for a foreign aristocrat, Toby vows to duel his wife's lover.
When Toby discovers the now strikingly handsome marquis is the same man he tortured at Eton, the man's unease around him makes sense. The uneasy feelings Toby feels around the marquis make far less sense.