Children of Time is a thought-provoking space thriller mystery book written by Adrian Tchaikovsky. The novel explores the evolution of two parallel civilizations: humanity, struggling to survive on a dying Earth, and a society of uplifted spiders on a distant planet. As the two species' paths intertwine, a mystery unfolds, revealing the secrets of the planet's previous inhabitants. Tchaikovsky's imaginative world-building and exploration of complex themes such as evolution, intelligence, and the nature of humanity make Children of Time a compelling and unique addition to the space thriller genre.