Showing Storm Bay by Patricia Shaw

Portsmouth, 1832. Once the pride of the British East India fleet, the Veritas has fallen on hard times. She is now a transport ship, her cargo prisoners of the Crown, her destination the penal settlement of Van Diemen's Land, now known as Tasmania, the southernmost State of Australia. Pastor Bob Cookson tries to offer solace to the convicts on board, but is shocked to discover that most of them have committed only trivial offences. He suspects a conspiracy to empty British prisons, but finds a more sinister motive at work...