It's the "Prayer Book in accordance with the tradition of The Eastern Orthodox Church"
... Other than the erroneous mis-application of Sainthood, its actually a great prayer book, one of the best I've seen out there. It's got over 300 pages of prayers, quotes of Holy Fathers on prayers, Akathists, etc... It's a wonderful prayer book, but it's just that one little error that is wrong. I would suggest it to any Orthodox Christian in search of a prayer book. (I don't think we should judge an entire prayer book, blessed by multiple Bishops on just one little error like that)
If anyone is curious, the prayer is "Prayer of St.
Thomas Aquinas Before Study",
O ineffable Creator, true source of light and wisdom, deign to shed upon the night of my understanding one ray of your light. Keep far from me the darkness of sin and ignorance. Grant penetration to my mind, certainty to my memory, grace and fluency to my speech. Help my first efforts, direct my course and grant success to my labours. Amen. (pp. 44)
It's a nice prayer, and if it didn't mention Thomas Aquinas, I don't think anyone could tell the difference between it and a prayer written by an Orthodox Christian. But it just bothers me that they accidentally labeled him as Saint.
I just emailed them about the error and hopefully it will be corrected. (if it hasn't already)
As an aside, it's been re-printed several times since I received it over a year ago. So there is a chance that they may have discovered the error and fixed it.