Tales to Astonish #13 CGC 3.5 1st appearance of Groot, an alien resembling a tree

Why it's Hot:

• 1st appearance of Groot, an alien resembling a tree
  

Synopsis:

Features Include: I Challenged... Groot! The Monster From Planet X! Special Sale, I Found the Abominable Snowman!, My Friend Is... Not Quite Human!, I Found The Hidden World!