43 books • 7 series
5 Steps to a 5 AP US History, 2015 Edition (5 Steps to a 5 on the Advanced Placement Examinations)
5 Steps to a 5 AP US History with CD-ROM, 2015 Edition (5 Steps to a 5 on the Advanced Placement Examinations)
Professional School Leadership: Dealing with Dilemmas. Policy and Practice in Education, Volume 21. (Policy and Practice in Education)