Aventurine on the Bailgate - Paperback

Aventurine Morrow is alone in Lincoln, England, attempting to overcome writer's block while researching a new subject, Katherine Swynford. Here she befriends a cathedral tour guide, Henry Hallsey, whose daughter Nicola has gone missing. When a woman is found dead on the grounds of the Old Bishop's Palace, and the Swynford Jewel is stolen, Aventurine falls under suspicion.