Scifi Orthogonal

Official series

Official series · Children of Time

Evolution Beyond Humanity

Across engineered species, failed colonies, alien cognition, and contested memories, humanity repeatedly discovers that intelligence has inherited the cosmos in forms it did not plan and cannot safely dismiss.

4 novelsPublication orderSpoiler-aware companions

Read the complete arc

The complete shelf

Every cataloged volume appears in publication order. Open any companion when you are ready to map its story and ideas.

01Volume 1

AweDanger

Children of Time

Adrian Tchaikovsky

The last human ark reaches a terraformed refuge and discovers that another civilization has inherited it across thousands of years.

15hLayeredSeries

02Volume 2

AweDanger

Children of Ruin

Adrian Tchaikovsky

A human-spider expedition follows an old signal to two engineered worlds where uplifted octopuses and an alien organism make contact inseparable from infection.

14hDemandingSeries

03Volume 3

MysteryExistential

Children of Memory

Adrian Tchaikovsky

A child remembers incompatible histories of a failing colony while hidden visitors discover that the settlement may be a mind rehearsing lives that never happened.

13hDemandingSeries

04Volume 4

DangerExistential

Children of Strife

Adrian Tchaikovsky

A traumatized researcher and a mantis-shrimp captain descend to a living world where uploaded terraformers have spent millennia fighting through evolution itself.

18hDemandingSeries

One sequence. Every consequence in its proper place.

Series shelves are generated from each novel's registered volume metadata, so the reading order stays complete as the catalog grows.

Back to all collections