I love reading as I always find something interesting in book, and not psychological only. Look, I got a bird in book this time!
In fact, this is a bookmark.
Firstly, draw the base of this bookmark in a piece of white paper
Cut out the base from the blue(you can change the color) paper according to this:
Then draw the each part of the bird in paper:
Finally, stick this bird to the base:
It looks like this when you apply it to the book. Easy to find and hard to loose.