“…AESOP has been built around the Open University's distance education course M206 Computing: An Object-Orientated Approach (The Open University, 1998) which teaches amongst other things the Smalltalk object-orientated language (OOL) language and concepts involved in OOL and networking. Central to this is the LearningWorks Smalltalk environment (Goldberg et al, 1997;Woodman, Griffiths, Macgregor, Robinson et al, 1999) that is used to deliver the computer based practical content of the course.…”