Practical Digital Signal Processing -- New price $46.95, effective December 22, 2006. -- Gain a working knowledge of DSP applications, including communications and process control.

ARRL's HF Digital Handbook -- Now Shipping! -- Join the Digital Race! 4th Edition.

Digital Signal Processing Technology -- Essentials of the Communications Revolution. An understandable presentation and reference on DSP in contemporary communications technology.

802.11 Wireless Networks: The Definitive Guide -- Creating and administering wireless networks. 2nd Edition.

Morse Code for Radio Amateurs -- Includes a free CD of audio and computer programs.