Does prison work and what purpose does it serve? This unit allows you to listen to a discussion surrounding the purpose efficacy and regulation of prisons. Does prison benefit those serving the sentence or simply satisfy a public demand? This study unit is just one of many that can be found on LearningSpace, part of OpenLearn, a collection of open educational resources from The Open University. Published in ePub 2.0.1 format, some feature such as audio, video and linked PDF are not supported by all ePub readers.