The Saintsbury Affair

'The Saintsbury Affair' is a detective novel by Lily A. Long that begins with the protagonist being invited to dinner by Mrs. Whyte, who asks them to make a good impression on her guest, Katherine Thurston. However, the story goes back a little further, as the protagonist already has another engagement that night with an architect named Kenneth Clyde. Kenneth seeks legal advice from the protagonist, but also needs someone with physical and moral courage to help him with a personal matter. The story takes a suspenseful turn when Kenneth shows the protagonist a crumpled legal letter with a bold, ominous message.