Douchard's island (Aidan de Brune)

Not all buried treasure is found in a pirate’s chest... A chill-packed mystery from the master of suspense. This is what Aidan de Brune is all about, a complex, old fashioned mystery, with a highly unlikely solution. De Brune’s novel „Douchard’s Island” was published in 1931. Other novels aby De Brune were reputedly published in the USA under various pseudonyms, but these have not been traced. Aidan De Brune was a Canadian-born writer who settled in Australia. In the 1920s and 1930s a number of his novels appeared in Australian newspapers as serials, and he also appears to have written serials specifically for publication in newspapers.