Surprise

 Hannah gave me a copy of a book she had two of

and I have been making use of it, as you might imagine.  There are several pages like this:

They are a solid pattern, which I had assumed peeled off in strips around the center, or the center itself peeled out to produce a "frame."

Well, it turns out that, at least in three pages, the alphabet was hiding:

I wonder what the other "solid" pages have it store?