Proof by Seduction (HQN)

She was his last chance for a future of happiness A gifted fortune-teller from a humble background, Jenny can make even the most sophisticated sceptic believe her predictions by batting her smoky eyelashes - until she meets Gareth Carhart, the Marquess of Blakely, scientist and a sworn bachelor. Broodingly handsome Gareth is scandalised to discover his cousin has fallen under the spell of 'Madame Esmerelda' and vows to prove Jenny a fraud. Gareth's unexpected attraction to the fiery enchantress disrupts his calculated plan, until he can't decide whether to seduce her or ruin her! Now, as they engage in a passionate battle of wills, these two must choose between everything they know and the boundless possibilities of love.