1.
Barron's AP Chemistry with CD-ROM, 6th Edition (Barron's AP Chemistry (W/CD))
by Neil D. Jespersen Ph.D.
ISBN: 9781438071282
List Price: $29.99
2.
Barron's AP Chemistry, 6th Edition
by Neil D. Jespersen Ph.D.
ISBN: 9780764146947
List Price: $18.99