This book includes a comprehensive list of 'Who's Who' in the Jemma Spark series of Jill books. There are also three short stories. The first is- 'Jill and the Mystery of the Missing Horse'. The second - 'The Engagement Party', is the tale of Cecilia, Jill's cousin's engagement party held at Blainstock Castle. The guests arrive on Thursday evening. They go trekking in the Highlands, sailing and canoeing on the loch. There is a fancy dress party on Saturday night, and on the following morning, one of the guests cannot be found. A full-scale search ensues. Jill, Ann Derry and Dinah Dean set their minds to discovering the whereabouts of the missing guest and who is responsible for her sinister disappearance. The third, narrated by Susan Barrington-Brown, who was originally a character in Josephine Pullein Thompson's novels. She appeared in Jemma Spark's tenth book in 'Jill and the Prize Winners', and in this tale Noel Kettering, Henry Thornton and Christo are also introduced into the Jill series.