Reddit mentions of Digital Design Fourth International Edition

I'm interning this summer as a hardware engineer this summer and a lot of the job is VHDL/Verilog programming/testing. So learning this would put you ahead when you start with school and eventually when looking for internships.

The book I used in school was this, it goes through a lot of the basic digital design and also has Verilog programming examples you can work through. The major software package I use at work is a flavor of [ModelSim] (http://model.com/content/modelsim-pe-student-edition-hdl-simulation)(free student version). You can program anything from a simple digital block all the way up to an entire CPU with this software. Hope this helps.