[1] Together they co-wrote numerous different books, not just on the subject of Sherlock Holmes, but also Charles Dickens, Anthony Trollope, George Bernard Shaw and other giants of the literary landscape.
Between them they also produced novelisations from successful television series such as Upstairs, Downstairs, The Cedar Tree, Bergerac, The Chinese Detective and Tenko.
[4] Hardwick penned a dramatisation of "The Adventure of the Beryl Coronet" for the BBC Light Programme in 1959,[5] which starred Carleton Hobbs as Sherlock Holmes and Norman Shelley as Doctor Watson.
[7] Some of Hardwick's adaptions for Hobbs and Shelley were translated into German and broadcast by Bayerischer Rundfunk in the 1960s[8] starring Peter Pasetti as Holmes and various actors as Watson.
In 1979, Hardwick wrote The Prisoner of the Devil which features Holmes called in to solve the case of the Dreyfus affair.