The World of Null-A

The World of Null-A
Cover of first edition (hardcover)
AuthorA. E. van Vogt
Cover artistLeo Manso
LanguageEnglish
GenreScience fiction
PublisherSimon & Schuster
Publication date
1948
Publication placeUnited States
Media typePrint (Hardcover & Paperback)
Pages246
Followed byThe Pawns of Null-A 

The World of Null-A, sometimes written The World of Ā, is a 1948 science fiction novel by Canadian-American writer A. E. van Vogt. It was originally published as a three-part serial in 1945 in Astounding Stories. It incorporates concepts from the General Semantics of Alfred Korzybski. The name Ā refers to non-Aristotelian logic.