Just a quick note:  CK-12 has revamped their website.  I am going through the links now to find those that need to be updated.  If you are looking for a specific textbook and I haven't fixed the link yet, you can find what you need from their main page.

Also, the UPDATED PASS TEXTBOOKS are available again.  If you even think you might use them, you should consider downloading and saving copies while you can.

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