Good mpeg1 book

Any /prog/gers know of a good book that covers the entire mpeg1 ISO standard that is cheaper than paying $500 USD^₁ the standard itself?

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_{1. That's just for 1,2 & 3 of the standard: http://mpeg.chiariglione.org/standards/mpeg-1/mpeg-1.htm}

>>5,6
Thanks. TBH I've had a pdf it I found thru Google for some time. I just wanted to be legit about it since I'm going to be paid to write something using it.

Bookstores don't carry such technical books in stores, so there's no easy way to ensure a book contains the entire standard without asking others for suggestions.