This text is an excerpt from a novel, "Rainbow’s End" by Ellis Peters, which is the thirteenth book in the Felse Family series. The narrative centers on the investigation into the death of Arthur Everard Rainbow, an antique dealer found at a church, and the role of Chief Inspector George Felse in solving the case. The plot intricately connects Rainbow's death to a piece of ancient parchment found in the church tower by a local boy, Bossie Jarvis, which was intended to trick the victim. The investigation leads to the discovery of more documents hidden in nearby Mottisham Abbey and reveals that Colin Barron, the abbey guide, murdered Rainbow to acquire the potentially priceless find, culminating in an attempt on Bossie's life to silence him.