Mau Lencinas is Illustrator from Argentina. http://199hates.tumblr.com/ his website
Very impressive portfolio displaying his unique style of drawing.
Currently studying art, the Philippine Lei Melendres offers beautiful drawings he makes on these specific books. Here is an example, these “Doodles” with a restrained style and black ink very successful. The whole is to discover images on his portfolio and in the rest of the article.
One of my favorite site Fubiz.net. Most of these pieces I’ve found on this site including Doodles Illustrations.