This is Giant Batman 18, published by Mimosa (SA Magazine Co) +/- 1963-1964.
It reprints the cover and all three stories from DC Comics' Batman 150 (1962):
"The Secret behind the Stone Door"
"The Girl who stole Batman's Heart"
"Robin, The Super Boy Wonder"
Also reprinted are these two stories from DC Comics' Batman 109 (1957):
"Three Crimes against Batman"
"Follow the Batman"
Also reprinted is this story from DC Comics' Detective Comics 235 (1956):
Roy Raymond: "The Hour of Hoaxes"
48pages, glossy colour cover, black and white newsprint interior.
Here is the cover of issue 18 and DC Comics' original cover: