Interesting aspects of "TWG" ebook format

The ebook file size itself is 1MB, and is an Adobe PDF. Users/readers can "add comments and markups to this document" and can "attach files" to the document.

There seem to be technical constraints in place so that Avon's ebooks cannot be easily printed out or copied. (To cut down on pirating the work?)

After downloading the ebook, I tried the print the entire document. It allowed me to print only 15 pages at a time. (This feature is set into the Document Characterisitics and cannot be changed by the user.)

I was only allowed to print the editorial parts of the novella. I could not print the publisher's advertisements or the copyright information. (Is this done so printed out and pirated copies could be easily identified?)

When I tried to copy text from the ebook for the first time, I got a dialog box that said: "Copy to Clipboard Permissions---
You may copy 15 selections in this document in the next 7 days. Would you like to continue?" (I didn't copy the text.)

Summary:
Overall, it seems like Avon is trying to let readers feel they own a "real" book (and write in it, comment in it, underline/highlight parts of it like readers would in a paper book, even though it's an ebook). Yet they have no intention of letting copies of it be reproduced and distributed without their permission and profit.

Now I'm going to email the document to a different computer and see if I can open it up and read it there. (If I'm locked out, is this another anti-piracy measure in place?)

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Also, I've finished reading "TWG". More reporting on characters, themes, and the effects of having so many different authors, soon.