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Duncan Lawie has returned with a review of Greg Egan's Teranesia, which continues his string of reviews regarding well-written science fiction. This novel, a near future adventure, is in Egan's own words, "about evolution, the Indian Rationalists Association, the break-up of Indonesia, quantum mechanics and sex". Click below to read more - and look for next week's review of Cities in Flight. Teranesia author Greg Egan pages 320 publisher London: Gollancz Aug 99; New York: HarperPrism Nov 99 rating 8.5/10 reviewer Duncan Lawie ISBN 006105092X summary A stunning near future adventure in the lush biosphere of South East Asia.

Greg Egan has been programming computers since the 1970s and writing science fiction since the 1980s. The latter has become his primary activity in the 1990s. He lives in Western Australia though the bulk of his professional sales have been made overseas. His books have been hard-edged analyses, with principal themes including consideration of many-worlds theory and the integration of technology into human evolution. Consciousness is often treated as the subject of technical manipulation in futures underpinned by the effects of increasingly sophisticated technology.

From this viewpoint the astounding clarity of the opening chapter of Egan's latest book made me wonder whether the setting was, once again, a virtual environment. In fact, Teranesia is, in Egan's own words, "about evolution, the Indian Rationalists Association, the break-up of Indonesia, quantum mechanics and sex". It is set in the early part of the next century. Indonesia continues to convulse in the throes of faction fighting while new creatures are appearing in the island chain. This is a source of considerable interest for biologists prepared to brave the dangers of potential civil war.

Egan's decision to move the focus of his writing from technology into biology provides a new range of signifiers for him to work with. The protagonist, Prabir, is typical of the author's work - highly intelligent and at ease with computers - but in this story his primary motivation is neither technical nor technological but emotional. Prabir is fully formed, well meaning but humanly flawed. In the development of this character Egan is highly successful. Prabir's traits are the natural outcome of the life story we are shown and his actions, whilst frustrating to the observer, are inevitable for Prabir himself. At least one of these observers, Prabir's sister Mahdusree, bursts from the page. In her more positive attitude she provides an effective foil to Prabir. His boyfriend also seems to share Mahdusree's opinion more than Prabir's, though in this case it seems to be a result of coming to terms with himself. Prabir's homosexuality sharpens the drama rather than being any concession to political correctness. In fact, there is a glorious series of extended jokes on political correctness. These involve Prabir's cousin and her academic environment, which are so skilfully drawn as to border on caricature. A hint of this is the cousin's belief that computers are reinforcing patriarchy due to the sexist nature of the ones and zeros which make up binary numbers.

The theme of biological research is riddled with complexity. The bulk of the science occurs outside of Prabir's speciality, allowing the writing to concentrate on time spent in the field. Egan has always been a precise writer, his clarity of description is to be awed. After a long day in the field the accumulated facts are rapidly tied together into new ideas. Scientific method is displayed as theories combine and recombine though Egan's vision of such a degree of co-operation between scientists seems somewhat optimistic. Successive ideas are thrown at the reader so fast that the progress towards a final theory feels like a game. Perhaps this is the point. Perhaps it could also be taken as an indication of how difficult it is to combine a novel of ideas with a character-led story line while retaining the fallibility of these characters.

The tale is well paced. The development of Prabir's story slows whilst scientific progress advances the plot. This leads to a sense of foreboding until the plot regathers, reaching alarming speed in the final pages and hurtling headlong into the back cover. Egan has also managed to pull together the novels themes, recapitulating the story to drive the urgency of the ending. He has taken a brave step into new territory and this is a distinctly visceral, emotional work. At the same time Egan has retained command of clear writing and profound scientific ideas.

Purchase this book from FatBrain.

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• Greg Egan's Site
• Eidolon SF
• Duncan Lawie