There once was a meth dealer called Heisenberg, his product became known the world over via the Documentary series "Breaking Bad", not shown in this factual series was Heisenberg's preference for a British and Irish comedy show starring Dylan Moran and Bill Bailey called "Black Books" where the Little book of Calm is featured in the initial episode. or his preference for Science Fiction.

so in short; The Little Book of Calm

The Android's Dream

a bag of Blue Crystal Meth!