The Expert System's Brother
A novella.
A distant planet. A game turned sour. A technological fight for survival.
After an unfortunate accident, Handry is forced to wander a world he doesn’t understand, searching for meaning. He soon discovers that the life he thought he knew is far stranger than he could even possibly imagine.
Can an unlikely saviour provide the answers to the questions he barely comprehends?
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Adrian Tchaikovsky
In the realm of speculative fiction, where the boundaries between science and imagination blur, Adrian Tchaikovsky writes with the precision of a biologist and the curiosity of a philosopher. Known for weaving evolutionary theory into alien worlds and giving sentience to the most unexpected of creatures, he crafts stories that challenge not just what it means to be human—but what it means to be alive.
Tchaikovsky’s breakout novel, Children of Time, didn’t just introduce readers to a distant planet populated by hyper-intelligent spiders—it redefined what readers expect from space opera. Bold, cerebral, and emotionally resonant, the book went on to win the Arthur C. Clarke Award, with its sequel Children of Ruin deepening the saga’s exploration of consciousness, cooperation, and survival. In 2023, the Children of Time series earned the Hugo Award for Best Series, a fitting recognition for stories that dare to look evolution in the eye and ask: what if?
The Expert System
The Expert System consists of two books — considered a complete series. The current recommended reading order for the series is provided below.

