The Mammoth Book of Brainstorming Puzzles Book

This book (a compilation of issues of an underground Victorian "literary porn" periodical)scared the crap out of me when I discovered it on my parents' bookshelf at the age of nine or ten, but when I happened on it again, many years later, I think I got it as I should: as hysterical, in more ways than one. This book is hilarious, outrageous, and yes, not a little creepy -- and what I want to know, more than anything else, is, "Who the hell was *writing* this, and how did they get the job?" (The magazine disappeared from the market as mysteriously as it arrived.)