Nobody's Sweetheart Now The First Lady Adelaide Mystery

August 1924. The ghost of Lady Adelaide Compton's husband, Major Rupert Charles Cressleigh Compton, inconveniently turns up at her house party. Rupert has to perform a few good deeds before becoming welcomed to the next level. When a murder disrupts her careful seating arrangement, which of her twelve houseguests is a killer? Rupert of course has a solid alibi as a ghost-- and now he has an urge to detect. -- adapted from publisher info