(Paperback)

Detective Inspector Sharon Varsi is facing the biggest case of her career: quarantined genestock has been stolen. Is someone conducting illicit gemtech research

(Paperback, The Definitive Edition)

The definitive edition of one of the most important scientific books of the twentieth century, setting out the conceptual structure underlying evolutionary biology.

(Paperback)

Gems - genetically modified people - were created to save humanity. But they, too, are human and now they must fight to save themselves.

(Paperback)

The gems - genetically modified humans - are thriving. But fear blackens their efforts - could the return of an old enemy could see their fragile peace destroyed