If you are an EE sophomore/junior or senior and want to buy a book on semiconductor physics or devices that is both comprehensive in its depth and coverage of topics, I'd highly recommend this book.
Engineering Circuit Analysis
Course In Electrical And Electronic Measurements And Instrumentation
Electronic Instrumentation
Generalized theory of electrical machines
Electric Machines
Modern Power System Analysis
Electrical Power Systems
Power Electronics
Microwave Devices and Circuits (3rd Edition)
Computer Organization and Architecture: Principles of Structure and Function (Hardcover)