The Prisoners of Wyvern Castle — Jude Knight

Rupert has been imprisoned by his wicked sister, and forced to wed. His new wife, Madeline, has likewise been threatened into saying her vows. Forced into marriage, they find love, but can they find freedom before it is too late? The Prisoners of Wyvern Castle is a prequel to Embracing Prudence, due for publication in 2016. (novella, 23,500 words)