He is transported back into post-Roman Britain and has to contend with the knowledge that he is from the future, in the past.
Upon release, the New York Times described the book as a "remarkable merger" of Deeping's prior novels with "cloak-and-sword" settings and those set in contemporary times, resulting in an "odd but earnest novel.
This article about a 1940s science fiction novel is a stub.
You can help Wikipedia by expanding it.See guidelines for writing about novels.
Further suggestions might be found on the article's talk page.