Ownership of the rights to course materials, including copyright, resides with the originator. Lectures, discussion threads, spreadsheets, slides, presentations, exams, quizzes and any and all other materials created by you are your intellectual property. You may present your materials with a display of the copyright symbol to show your authorship. You may not present materials branded with the logos and marks of any organization other than the University of California.
If you are published in your field and the book is germane to the topic of your class, you are welcome to recommend its required use as the textbook for your class.