No Enemy But Time

Michael Bishop's novel was adapted into a film titled "Quest for Fire" in 1981, directed by Jean-Jacques Annaud. The film significantly predates the book's publication, with Bishop's novel being a novelization of the screenplay.

While it explores a complete narrative arc, the book is part of Michael Bishop's "A Little Knowledge" series. It can be read independently, but it shares thematic connections with other works in the series.

The novel stands out for its deep anthropological focus, meticulously exploring the daily life, social structures, and challenges of early hominids. It delves into the protagonist's psychological transformation as he integrates into a prehistoric society, offering a more immersive and less action-oriented perspective on time travel.