Documents are stored by class (sometimes even by which part they are, if they're complex enough.) Most are in Apple Pages format, though some may be Adobe Photoshop CS6+ documents.

Do not copy or in any form plagiarize my work. By accessing these documents, you are using them purely as references or examples. There is absolutely no guarantee of the accuracy of the work.

Holt Online Math Textbooks McDougal Littell (Mostly for language books...)