Preface -- Beyond convict worker : unanswered questions about convict economy and society / Stephen Nicholas -- Selected for transportation / David Meredith, Deborah Oxley -- Contrasting colonies, or a tale of three Australian colonies / Pamela Statham -- William Smith O'Brien and Tasmanian convict workers / Richard Davis -- Freedom or unfreedom at Moreton Bay : the structures and relations of secondary punishment / Bill Thorpe, Raymond Evans -- Why New South Wales did not become Devil's Island (or Siberia) / Barrie Dyster