This cover art is apparently titled “A Settlement Out of Court”
They Put Our World On Trial!
When The Earth Became Overpopulated
This wrap-around cover features top sci-fi pulp authors of 1952. The identification guide from the inside front cover is courtesy of Lothar Schenk.
Behind the banner of eternal life lies eternal horror
Science Fiction Adventures On Venus
Throughout the 50’s Galaxy Science Fiction printed Christmas covers with a four-armed Santa, done by Ed “Emsh” Emshwiller