Evolution's Darling by Scott Westerfeld
Paperback - 352 pages (April 2000) Four Walls Eight Windows; ISBN: 1568581491
Review by Amy Harlib
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In his third SF novel, Westerfeld explores the themes of machine sentience and the autonomy of copies of same. In a prologue first published in the Magazine of F & SF's March issue, the eponymous 'Darling' refers to a former starship mind, an AI whose growing intimate bond with the adolescent daughter of the ship's captain allowed his Turing Quotient to exceed 1.0---the level at which an 'artificial' is granted personhood and full human rights.

In the novel proper, equipped with a cyborg body and outliving his lover, Darling, now sentient and independent roams the galaxy investigating artwork fraud for wealthy collectors, this unusual interest in art a manifestation of a need to understand the vital philosophical question---does the ability to create works of aesthetic appeal indicate possession of a soul? Darling's current assignment involves the brilliant sculptor Robert Vaddum, also a sentient machine, destroyed on planet Malvir in the Blast Event, a mysterious explosion. Now a new sculpture, unequivocally by Vaddum, demonstrably of more recent origin than the Blast Event, has surfaced causing quite a stir in the art world.

On his way to Malvir, Darling's path crosses that of Mira, an assassin working for remote and powerful bosses, 'gods', whose purpose is to eliminate or suppress undesirable developments---such as the copying of sentient machines. Mira, whose personal history was stolen by her AI bosses and replaced with a career as an assassin gets sexually involved with the well-equipped Darling, their liason depicted in erotic, graphic sadomasochistic detail and intensity rare in SF outside of specialty small presses such as Circlet Press! These highly charged erogenous escapades with Darling trigger strange dreams that may be Mira's recovered memories, the key to unlocking her life before becoming a high-tech killer.

Darling's and Mira's quests become entwined on planet Malvir where an entity called the Maker (a sort of dupicating self-aware machine with aspirations to become a sculptor), copied another sentient construct named Oscar Vale to see whether it could, copied Vaddum and then exploded a copy of itself---Blast Event!---when Malvir's planetary AI detected it. Still other copies, however, remain to be confronted.

Westerfeld is an excellent prose stylist, evoking worlds of sensual decadence inhabited by intriguing if not always lovable characters. His depictions of the enhanced sensory capabilities of his sentient machine and physically augmented assassin protagonists and how their perceptions affect their emotions wax nothing short of poetic.

The vivid narrative is structured in short segments, shifting focus to follow the story from different points of view, also including flashbacks and detached background descriptions. The fast pace never slows, requiring some effort to keep track of plot developments, as the reader encounters engrossing ideas, (especially about far future, high-tech art production), morbidly fascinating rough sex and bizarre personalities---human, non-human, and AI---interacting in this raw, invigorating, cutting-edge bordering on avant-garde tale of a constructed awareness in search of itself and a what it means to have a soul.