What type of books are given the Dewey decimal number 813.54?

The dewey decimal number of 823.914 designates the category of English fiction, between 1945 and 1999.

The breakdown of the number is as follows:

800 - Literature

820 - English & Old English literatures

823 - English Fiction

823.9 - English Fiction - Modern Period

823.91 - English Fiction - 20th Century

823.914 - English fiction - 1945-1999