I am currently shuffling my Lovecraft material around, with a little help from friends. This always gets me in the mood to search out more items of Mythos interest.
One of the first places I visited was Lovecraftian Science, a wonderful website dedicated to the science in H.P. Lovecraft.
Their current post;
features a beautiful (as elder things go) illustration of an Elder Thing by Tom Ardans.
Some of my favourites so far:
I noticed Lovecraftian Science also has a tome available on Amazon which I will be ordering once I recover from Christmas.