Childhood's End

From Author Wars - https://authorwars.com/books/childhoods-end-351031.html

Overview:

Title: Childhood's End
Author: Lawrence Ratzkin
Year: 1966
Type: Cover Art

Editions/Publications:

Unknown. Childhood's End (Unknown, Lawrence Ratzkin, Harcourt, Brace & World / SFBC, $1.49, 220 pages, Hardcover, Novel)