Penelope Potter was determined not to be jealous at the thought of Art Collingsworth marrying another. But she didn't expect to be thrown together with the handsome rogue to puzzle out her brother's strange change in behavior--a change that looked a lot like possession. Now Penelope's free-spirited ways would compel them to explore the wilds of England, to investigate the spirit inhabiting her poor brother and to develop the passion overtaking them both.