Copies can be purchased either through University book stores, or (in the U.S.) by calling the Academic Press customer service department at: 1-800-321-5068.

For fastest service, you should have available the ISBN number of the book, and a purchase order number (or even a credit card!).

The ISBN numbers are:

Volume 49:

• 0-12-564151-6 (hardcover)
• 0-12-273871-3 (comb-bound)

Volume 50:

• 0-12-564152-4 (hardcover)
• 0-12-273872-1 (comb-bound)