Programming in Scala by Martin Odersky, Lex Spoon, and Bill Venners, in times where good programming books are rare, this excellent introduction for intermediate programmers really stands out. You’ll find everything here you need to learn this promising language.
In Praise of Evolvable Systems, by Clay Shirky. “HTTP and HTML are the Whoopee Cushion and Joy Buzzer of Internet protocols, only comprehensible as elaborate practical jokes”.
HTML Evolution, summarized by Sam Ruby.
Great Moments in Logic, a good read.