A developer's guide to building user interfaces and rich internet applications using the Mozilla component framework — covering XUL, JavaScript, CSS, and the APIs behind Firefox and Thunderbird. By Kenneth C. Feldt, published 2007 by O'Reilly Media. ISBN: 9780596102432. 511 pages, trade paperback.

Solid reference for anyone working with Mozilla extension development or interested in the architecture behind Firefox. Content reflects the 2007 era of the platform.

Condition: Good. Pages clean, no writing or highlighting. One corner of the spine shows damage — noted in photos. Otherwise sound and fully readable.