To gain admittance one must have invented a unique means of earning a living and the subsequent trade being the main source of income.

First appeared in Harper’s Weekly [v47, December 19, 1903] While investigating a case of assault brought by Major Brown, Rupert Grant, the private detective, and his brother Basil stumble upon the Adventure and Romance Agency, Limited, an agency that creates adventures for its clients.

First appeared in Harper’s Weekly [v48, May 28 & June 4, 1904] "Cherub" Swinburne is asked to investigate the mysterious assault on the Vicar of Chuntsey (in Essex).

First appeared in Harper’s Weekly [v48, June 11 and 18, 1904] Basil Grant investigates the mystery of Lieutenant Keith, whose house, "The Elms", Buxton Common, cannot be found.

First appeared in Harper’s Weekly [v48, June 25, 1904] Basil Grant finds out why Professor Chadd insists on dancing.