The Password to Larkspur Lane delphiniums when a mysterious carrier pigeon lands in her yard. Nancy contacts the registry for the carrier pigeon. Meanwhile, housekeeper Hannah Gruen takes a fall and must be treated at the local orthopedist's office. Her attending physician, Dr. Spires, confides to Carson Drew and Nancy that he was forced to tend an elderly woman for her shoulder under peculiar circumstances: the driver of a car blindfolded him when they drove him there, so he wouldn't be able to guess her location, but the doctor believes their destination might have been someplace called Larkspur Lane. Events led him to believe the
Blue Larkspur 1½-mile Belmont Stakes, although he was again kicked at the post and the track was muddy. He was kicked yet again in a later start. Although he won the race, the wound became infected and he was sidelined for a time. Following the layoff, he won the Arlington Classic by five lengths. His season ended with a bowed tendon, but he has still been retrospectively regarded as 1929's Horse of the Year. In contemporary sources he is credited with being the year's leading money winner, but there is no record of a formal award. As a 4-year-old, Blue Larkspur raced