The Practice Effect

The Practice Effect
First edition cover
AuthorDavid Brin
Original titleThe Practice Effect
Cover artistPeter Goodfellow
LanguageEnglish
GenreScience fiction
PublisherBantam Books
Publication date
1984
Media typePrint
ISBN978-0-553-23992-8
OCLC10574112

The Practice Effect is a novel by David Brin, written in 1984. The story involves a world in which entropy works in reverse.