A guy I used to work with, he always referred to this as the blue bible. ( Sergio Franco's design of opamps and integrated circuits, if the link doesn't work.)
Lots of analog electronics, filters, current sources, how to make DAC ADC, etc. It was my textbook for two college courses, and I've used it at every job since.
This textbook is pretty good. There's a newer edition, but this one used is more reasonably priced. Great reviews on Amazon as well. You can check out the table of contents on the newer edition, this one is similar. I think it covers a solid amount of applications.
This is a good reference. Anyone want to recommend any other good EE books?
My recommendation for circuit design: http://www.amazon.com/Design-Operational-Amplifiers-Integrated-Circuits/dp/0072320842