Boris Vian. I know, people consider him trendy, but still his 'Foam of the Days' seemed very strange to me.

One hundred years of solitude

The weirdest book I ever read was "The Clothes They Stood Up In" of Alan Bennett.

Actually every book written by him is very weird! I love its humour and its absolute lack of amiability!

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@Rabie are there any subjects you Muslims can post about without referring to that crap Koran and your religion again. Go and take a hike, and promote your utterly stupid religion on some other site. It is not wonderful, it is full of intolerant and agressive crap, and best used to light up the fireplace. 

Yellow Books serie.
Written by someone with huge psychological problems.
It was initially prohibited and withdrawn from sale here in Europe.

This serie is now considered as the new Bible of paranoiac people.