Alfred V. Aho, Jeffrey D. Ullman have written
The theory of parsing, translation, and compiling. Volume 1 Parsing 1972 and Volume 2 Compiling 1973
Compilers: Principles, Techniques, and Tools 2ed 2006, i.e. the dragon book.
Are the two-volumn books more advanced or complete than the dragon book?
Is the dragon book supposed to replace the two-volumn books?
Are the two-volumn books outdated or still very relevant?