I don't think you're going to find a pdf version of this. They have it on Coptic Reader if you need a soft copy, but my guess is that if they are selling it on Coptic Reader and in bookstores, they are not going to have the pdf available for general use.
If you have an android or iphone, you can find it in the app store. It is the best app and includes not only liturgies and the service of the deacons but nearly all church rites (and it is constantly being updated). I recommend anyone who is Coptic to download this app! There is so many good things to say about it but instead I will let you just read about here: http://suscopts.org/wiki/Coptic_Reader
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God bless!
btw
Here it is
https://www.dropbox.com/s/du2g2wzukwuh0yr/Liturgy Book 2010.pdf
God Bless
... you didnt get it from me! ;)
God Bless