"Under Surveillance" is an exciting detective book written by the famous British writer Dick Francis. In this novel, the main character is the famous horse rider and private detective Syed Alex, who finds himself at the heart of the mystery during a difficult race at the racetrack. A mysterious murder, intrigue and devious plans make this book an exciting read for detective and horse lovers. A fast-paced and tense atmosphere is revealed on every page, and the recreation of the world of equestrian sports is shown in incredible detail. "Under Surveillance" is a book that keeps you in suspense from the first to the last page, making the reader part of an incredible world of intrigue and adventure.