Sadler, Philip M. books & textbook
AP: A Critical Examination of the Advanced Placement Program
Sadler, Philip M. Sonnert, Gerhard Tai, Robert H. Klopfenstein, Kristin
Harvard Education Press /2010-04-01 Paperback / 256 Pages
isbn-10: 1934742554 / isbn-13: 9781934742556
A Private Universe - Minds of Our Own
Matthew H. Schneps Philip M. Sadler
Produced by the Harvard-Smithsonian Center for Astrophysics. / Unknown Binding
isbn-10: 1573455954 / isbn-13: 9781573455954
