Lem's doodles:

"Wonderful galley of the doodles of Stanislaw Lem."
[Boing Boing Blog]

Lem was at one point my favorite writer. I read his book Kyberias (the Finnish translation) so many times I could recite long passages from memory. That is all lost now, and I don't think I could enjoy those texts as well as I could twenty years ago.