12. The computer-implemented method as recited in claim 10 , wherein the collection of content comprises a plurality of images of pages of content.
12. The computer-implemented method as recited in claim 10 , wherein the collection of content comprises a plurality of images of pages of content. 13. The computer-implemented method as recited in claim 12 , further comprising sorting the plurality of paragraphs as a left-side page paragraph and a right-side page paragraph, and wherein determining the paragraph alignment type of each paragraph style includes determining the paragraph alignment type of the left-side page paragraphs and determining the paragraph alignment type of the right-side page paragraphs.