When Worlds Collide

When Worlds Collide
First edition published by Frederick A. Stokes
AuthorEdwin Balmer & Philip Wylie
LanguageEnglish
GenreScience fiction novel
Published1933 (Frederick A. Stokes)
Publication placeUnited States
Media typePrint (hardback & paperback)
Pages344 pp
Followed byAfter Worlds Collide 

When Worlds Collide is a 1933 science fiction novel co-written by Edwin Balmer and Philip Wylie; they also co-authored the sequel After Worlds Collide (1934). It was first published as a six-part monthly serial (September 1932 through February 1933) in Blue Book magazine, illustrated by Joseph Franké.