Very broad in its scope with enough depth to deal with the fundamentals while pointing the reader in the right direction for a more detailed treatment of the subject matter. Could be used as a text or reference book, or simply read as I chose, to broaden ones knowledge. Contains a good overview of the tools and techniques of radio astronomy. A fair bit of math employed, but not overwhelming to the educated reader. Reading level is geared toward a 3rd or 4th year undergrad in physics/astronomy but would also be useful as a primer for graduate level students or the serious amateur. Good book at a good price!