First appearance of the Mad House cover border, a ripoff of the Mad Magazine border which would run in one form or another until the title changed names.
Inside front cover. Has a similar, but not identical border as the cover.
The plot is highly-derivative of the 1963 Ray Milland movie "X: The Man with the X-Ray Eyes."
Unidentified cameos of Bat Masterson and Zorro in the introduction.
Inside back cover.