Tales to Astonish (Vol. 1) #13

1st Appearance of Abominable Snowman (Carl Hanson); 1st Appearance of Groot; Origin of Groot; Reprint from Strange Tales of the Unusual #5 (Aug 1956)

I Challenged Groot! The Monster from Planet X!; I Found the Abominable Snowman!; My Friend is…Not Quite Human!; I Found the Hidden World!

Writer: Larry Lieber

Artists: Jack Kirby, Steve Ditko, Don Heck, Joe Maneely