Today, various books contain information about ABA, autism, and related topics. Below are the current books that are most heavily used by Penn State faculty and students. If you'd like additional recommendations, contact ABA librarians Nonny Schlotzhauer (University Park / World Campus, nonny@psu.edu), Bernadette Lear (Harrisburg / World Campus, BAL19@psu.edu), or a librarian at your location.