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• Firewalls Computer security

Seller Description: Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid nice copy to enjoy. See More Details

Seller Description: Good. Access codes and supplements are not guaranteed with used items. May be an ex-library book. See More Details

Seller Description: New. See More Details

Seller Description: Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! See More Details

eBook See More Details

Seller Description: Good. Access codes and supplements are not guaranteed with used items. May be an ex-library book. See More Details

Seller Description: New. See More Details

Seller Description: Good. USED-VARIOUS AMOUNTS OF WEAR-POSSIBLE HIGHLIGHTS-WE CANNOT GUARANTEE SUPPLEMENTS SUCH AS CD, ACCESS CODE, OR INFO TRAC. See More Details

Seller Description: Good. Textbook, May Have Highlights, Notes and/or Underlining, BOOK ONLYNO ACCESS CODE, NO CD, Ships with Emailed Tracking. See More Details

Seller Description: This is an ex-library book and may have the usual library/used-book markings inside. This book has soft covers. Clean from markings. In good all round condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item, 950grams, ISBN: 9781284031676. See More Details

Seller Description: This is an ex-library book and may have the usual library/used-book markings inside. This book has soft covers. In good all round condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item, 1000grams, ISBN: 9781284031676. See More Details

Seller Description: Fair. See More Details

Seller Description: Good. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. See More Details

Seller Description: Good. Connecting readers with great books since 1972! Used textbooks may not include companion materials such as access codes, etc. May have some wear or writing/highlighting. We ship orders daily and Customer Service is our top priority! See More Details

Seller Description: Very good. **SHIPPED FROM UK** We believe you will be completely satisfied with our quick and reliable service. All orders are dispatched as swiftly as possible! Buy with confidence! Greener Books. See More Details

Seller Description: Fine. Trade paperback (US). Glued binding. 1248 p. Contains: Illustrations, black & white, Tables, black & white, Figures. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers. See More Details

Seller Description: New. Trade paperback (US). Glued binding. 1248 p. Contains: Illustrations, black & white, Tables, black & white, Figures. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers. See More Details

Seller Description: PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK. See More Details

Seller Description: New. Size: 7x2x9; New. There is a slight shelf or time wear. Otherwise new. See More Details

Seller Description: New. Trade paperback (US). Glued binding. 1248 p. Contains: Illustrations, black & white, Tables, black & white, Figures. See More Details

Seller Description: New. Trade paperback (US). Glued binding. 1248 p. Contains: Illustrations, black & white, Tables, black & white, Figures. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers. See More Details