The book "Doctor Vannard's Patients" by Pauline Ash is part of the Harlequin Serial Romance series, specifically number 916. It is a vintage paperback romance novel published by Harlequin, intended for young adults and adults. The story revolves around romance and relationships, fitting within the genre of romance fiction. Written in English, the book is set in the 20th century and explores themes of love and emotional connections within the context of Doctor Vannard's patients. Excellent like new condition D