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Web Engineer's Bookshelf
By an Amazon.com customer
Dynamic HTML: The Definitive Reference (Dynamic Html)Dynamic HTML: The Definitive Reference (Dynamic Html) by Danny Goodman
Buy new: $37.79 / Used from: $14.98
Absolutely necessary for anyone trying to be proficient at web development that has UI. My earlier copy is worn on the edges, tabbed, written in, and simply falls open to the pages I use most frequently.
JavaScript: The Definitive GuideJavaScript: The Definitive Guide by David Flanagan
Buy new: $31.49 / Used from: $24.50
This one is less used as a reference but contains all the base knowledge one needs for javascript. This book is very complete. Know and understand the contents of it and you'll already be a head above the competition.
Ajax in ActionAjax in Action by Dave Crane
Buy new: $26.97 / Used from: $4.93
Ajax is a fact of web development now. Know the stuff in this book.
Unix Power Tools, Third EditionUnix Power Tools, Third Edition by Shelley Powers
Buy new: $44.07 / Used from: $28.31
Highly valuable resource for learning several of the tools that are available on almost all *nix platforms.
The Definitive Guide to MySQL 5, Third Edition (Definitive Guide)The Definitive Guide to MySQL 5, Third Edition (Definitive Guide) by Michael Kofler
Buy new: $42.49 / Used from: $29.00
MySQL is good to have under your belt. Its a powerful database used extensively all over the web. I have a cluster at home and I've created several others for production development purposes.
MySQL(TM): The Complete ReferenceMySQL(TM): The Complete Reference by Vikram Vaswani
Buy new: $27.71 / Used from: $3.20
This is a good reference book for MySQL. This one plus the one I mention elsewhere will have all the information you need.
Head First Design Patterns (Head First)Head First Design Patterns (Head First) by Elisabeth Freeman
Buy new: $29.67 / Used from: $19.98
You should have some level of familiarity with design patterns. Know the ones in this book and you'll have a good start.
Design Patterns: Elements of Reusable Object-Oriented Software (Addison-Wesley Professional Computing Series)Design Patterns: Elements of Reusable Object-Oriented Software (Addison-Wesley Professional Computing Series) by Erich Gamma
Buy new: $41.20 / Used from: $32.50
The gang of four. Has to be included.
Art of Computer Programming, The, Volumes 1-3 Boxed Set (2nd Edition) (The Art of Computer Programming Series)Art of Computer Programming, The, Volumes 1-3 Boxed Set (2nd Edition) (The Art of Computer Programming Series) by Donald E. Knuth
Buy new: $126.04 / Used from: $113.44
These must be on your shelf. Even if you only get to crack them every other month or so. You should know what they are. Know that Knuth is funny and have attempted to use them as a reference twice.
Code Complete: A Practical Handbook of Software ConstructionCode Complete: A Practical Handbook of Software Construction by Steve McConnell
Buy new: $29.99 / Used from: $27.95
Another you should have read by the time you consider yourself a professional. Lost of good explanation of why you don't do the things you were told not to.
Head First Servlets and JSP: Passing the Sun Certified Web Component Developer Exam (SCWCD)Head First Servlets and JSP: Passing the Sun Certified Web Component Developer Exam (SCWCD) by Bryan Basham
Buy new: $44.05 / Used from: $7.99
Never read it. I've been told its good.
Java NIOJava NIO by Ron Hitchens
Buy new: $27.26 / Used from: $12.94
My buddy wrote this book. If you understand its contents - you'll be further along than most.