This work/product/service has been developed independently from and is not endorsed by the College Board. AP® is a trademark registered and/or owned by the College Board. For all of the notes, pages books that are labeled as AP®, we have not collaborated with the College Board in the creation of these products. In addition, the College Board does not endorse this page as AP® Certified and was no way involved in the creation of this business. AP® and Advanced Placement® are registered trademarks of the College Board.