It is often assumed that artists are born with a natural talent for drawing and that you could never be as good as the artist your admire. This is not true.
It is very fun to see these Illusionistic Between the lines Pencil Drawings of Animals. They are usually drawn with pencils and scales randomly. So don't be surprised if you see some snakes rattling through or a cat hanging by the walls in between some of the rules pages of your friend's copy.
A collection of cool aesthetic drawing ideas to draw in your sketchbook.
I Drew An Art Sketch Of An Elegant Ballerina