I'm a fourth year computer engineering student, and I've found this book to be the best reference for VHDL fundamentals in my personal library. What this book offers is a concise reference. It's not very long, but it's very thorough. It's essentially a cookbook; there are lots and lots of examples with clear block logic diagrams which give you an overview of the architecture. In addition, each design has a test bench simulation, which is essential. Of course, each example has the VHDL implementation of the component, each with relevant, helpful comments within the code. There are even more complex examples, such as a vending machine control circuit and neural networks and more. If you're a beginner, the first few chapters will walk you through. If you're an expert, it can be used as reference, made easier by the excellent chapter organization. The appendices also show how to design, simulate, and lay out designs in several popular development software suites. This book is amazing. Do yourself a favor and add it to your library. Buy it now.