It looks like at least three people contributed to this artwork.
Tag - MS Paint reborn!
The Journey to the Forest of Lies (1)
Somehow, I think one version of the title is more accurate than the other.
The Complete Universe of Memes
The Amazon description asks:
More wild-eyed insanity, or simple, wonderful inspiration?
Well, judging by the cover…
A horror novel cover, as render by someone who’s never seen a horror novel cover.
Alligator Loose in the Train Depot
Yup, a picture book. That means the whole thing is badly cobbled-together clip art.