Wiktionary
escape literature
n. Any genre of literature used as escapism
Usage examples of "escape literature".
On that story-that-bounced: Science fiction is normally read as light, escape literature.
Surprisingly, it was a marvelous piece of escape literature, masterfully written.
Although very few mysteries provide a good vehicle for social commentary or important observations on the human condition, they do make for fine escape literature, and they are always being published.
Well, as to that, said Harlan uncertainly, I believe there were speculations of sorts in some types of escape literature.