Changed the books URL
Changed the books URL


Former-commit-id: ecdf0254fe18fc7ef6c4cf99eb1004cb8de749de [formerly b56033c3ddfa52077b652e0f806ca59d16fc928c] [formerly 5386c06e33ce314780fe7b7f7e2efcbf9543c659]
Former-commit-id: 290ed4b4806f93312b6e936380dd683215f7e96b [formerly f2946b0551d32785402e94d75d6b99d5b9912e27]
Former-commit-id: 2b96330e5c1f5d2dcb2e78037e4b63d3c62a0f20
ritjoe/ofCourse,sctjkc01/ofCourse,sctjkc01/ofCourse,ryansb/ofCourse,ryansb/ofCourse,ritjoe/ofCourse