9780136079675 | 5 har/psc edition (Addison-Wesley, March 31, 2009), cover price $132.00 | About this edition: Building on the successful top-down approach of previous editions, the Fifth Edition of Computer Networking continues with an early emphasis on application-layer paradigms and application programming interfaces, encouraging a hands-on experience with protocols and networking concepts.

9780321497703 | 4th edition (Addison-Wesley, March 31, 2007), cover price $125.00 | About this edition: Building on the successful top-down approach of previous editions, the Fourth Edition of Computer Networking continues with an early emphasis on application-layer paradigms and application programming interfaces, encouraging a hands-on experience with protocols and networking concepts.

9780321418494 | 3 edition (Addison-Wesley, July 7, 2006), cover price $119.80 | About this edition: Computer Networking provides a top-down approach to this study by beginning with applications-level protocols and then working down the protocol stack.

9780321227355 | 3 edition (Addison-Wesley, May 13, 2004), cover price $99.99 | About this edition: Computer Networking provides a top-down approach to this study by beginning with applications-level protocols and then working down the protocol stack.

9780201976991 | Addison-Wesley, July 1, 2002, cover price $100.00 | About this edition: The most up-to-date introduction to the field of computer networking, this book's top-down approach starts at the application layer and works down the protocol stack.

9789990012095 | 2 edition (Addison-Wesley, July 1, 2002), cover price $0.02

9780201477115 | Addison-Wesley, July 1, 2000, cover price $101.00 | About this edition: By starting at the application-layer and working down to the protocol stack, Computer Networking: A Top-Down Approach Featuring the Internet provides a motivational treatment of important concepts for networking students.

9780201612745 | Prl edition (Addison-Wesley, November 1, 2000), cover price $36.40