Thee shall not buy any more books. Thee shall learn not be turned on by book sales. Thee shall not use books as psychotherapy. Thee shall not clutter thy bed with books. Thee shall not hide books under the bed. Thee shall not exceed twenty boxes of books. Thee shall not open more than five books the same night. Thee shall do whatever thy book-lovin' soul desires and demands.

...

Various Specious Self Justifications:

Solzhenitsyn's Part III of "The Gulag Archipelago" because you have the first two parts, and you have actually read the some 2000 pages of them.

Six back volumes of "Best American Poetry" from 1988 to 1994, because you have the volumes from 1995 on, and you have to know the lay of the land, oh for the past ten or so, to become a "Best American" poet yourself.

Adrienne Rich's "Diving Into The Wreck" because how can you not pick up a book with such a title. Besides isn't it iconic already?

Elias Canetti's novel "Auto-de-Fé" because he is a Nobel Laureate whose work you haven't read, and besides this book is really really a gift for your book supplying friend, C.

Bruno Bettelheim's "The Uses of Enchantment: The Meaning and Importance of Fairy Tales" because you want to be enchanted again, as well as enchant others. Besides what a deal, you can get this book for only $1.50

....

Thee shall not come up with more self justifications to go back to the sale in the next few days.