Both are available from:
Magazine
INTERNET WORLD (ISDN 1064-3923)
Mecklermedia Corporation
11 Ferry Lane West
Westport, CT 06880
(203) 226-6967
meckler@junc.net or 70373,616 (CompuServe)
Books
Internet Access Providers: An International Resource Directory
(ISDN 0-88736-831-X) by Greg Notess
TCP/IP for the Internet: The Complete Buyer's Guide to Micro-Based TCP/IP Software
Mecklermedia Corporation
11 Ferry Lane West
Westport, CT 06880
1-800-632-5537