Note: This textbook or version of the text will be removed from the Penn State Pressbook Catalogue by April 23, 2026. Reasons for removal may include that the author is no longer at Penn State, it does not currently meet accessibility guidelines, it is a duplicate version of a book, etc. Alternate versions may be accessible on other platforms. If you’re interested in replacing this textbook in your classroom, we recommend searching for alternatives in other OER repositories. If you are a Penn State instructor using this book and believe this removal to be an error, please contact tltlearningdesign@psu.edu.
