A book examining the development of expert systems in medicine, entitled "Knowledge and decisions in health telematics: The next decade", has just been published by IOS Press. The book examines the development of knowledge-based systems and techniques in telematics in the healthcare sector and the nature and structure of the necessary R&D work in that field. This area is at present covered by the Advanced Informatics in Medicine (AIM) programme (1991-1994) within the Commission's programme of RTD in the field of Telematics system of general interest. To aid the planning of future programmes in health telematics, namely the coming health telematics programme of the Commission's Fourth Framework Programme, the EPISTOL project was set up to clarify the impact of knowledge-based systems for the health sector and to provide recommendations with respect to research and developments required in this period. The book has been to prepared in the framework of the EPISTOL project and includes papers and reports from discussions that took place during EPISTOL main events, namely the Munich Workshop and the Brussels Seminar. The complementary perspectives of users, industry and researchers are also included.