Clicking the (all white) image in the post gives:
The second image:
The third image:
Is this just a promotion for literature.stackexchange.com? Clicking on the first link, the letters to the imgur file blink red. Next, you can order the letters that have numbers present in the corner of their diamond (I can't see the third letter, but you only have to check five to find it) to find the next image. Finally, taking the first letter of each word in the book says "Literature stack exchange - this is an ad for it."