Autograph Letter Signed ‘Charles Garvice’, to Douglas Sladen, about finding guests, such as “an American of distinction”, for a society dinner. 1 page 10 x 8 inches, in good condition, traces of mounting. Richmond, 7 February 1920. Charles Garvice (1850 – 1920), prolific British writer of over 150 romance novels, who also used the female pseudonym Caroline Hart. He was a popular author in the UK, the United States and translated around the world. He was ‘the most successful novelist in England’, according to Arnold Bennett in 1910.