A list of book releases compiled by Dr. Dobb’s to keep you up-to-date on software development tools and techniques.

Beginning Mac Programming: Develop with Objective-C and Cocoa
by Tim Isted
You already know the reasons to get into Mac programming: millions of users rely on the Mac as their primary operating system. If you are searching for a new job, acquiring a skill set, or simply inspired to develop software for the Mac, this book is the practical and straightforward introduction to the basics you need to create innovative applications that people will seek out, discuss, and rely on.
http://www.pragprog.com/titles/tibmac/beginning-mac-programming.
Note: This book is aimed at folks without any previous experience programming. For a book aimed at experienced programmers, you'd be better served by Cocoa Programming: a Quickstart Guide.

The Myths of Security
by John Viega
Longtime security professional John Viega, formerly Chief Security Architect at McAfee, reports on the sorry state of the industry and offers concrete suggestions for professionals and individuals confronting the issue. Why is security so bad? With many more people online than just a few years ago, there are more attackers — and they're truly motivated. Attacks are sophisticated, subtle, and harder to detect than ever. But, as Viega notes, few people take the time to understand the situation and protect themselves accordingly.
http://post.oreilly.com/rd/9z1zje4tmc7pvcnr9pillk7deleckle76frf3nbuih0

Scalable VoIP Mobility
by Joseph Epstein
Enterprises are moving from the standard wired telephony to wired and wireless communication via internet protocol (IP), Wi-Fi, and cellular services. With the stabilization of these networks and the availability of dual-mode handsets multimodal voice mobility networks are becoming low cost and highly effective. This book provides practical advice on the breaking down of implementation and deployment. Scalable voice mobility solutions are analyzed and optimized dependent upon available budget and infrastructure options. The ultimate choice for an installation could incorporate a variety of networks. Security, fixed-mobile convergence, and emergency services are also considered in this guide for network designers, managers, and architects.
http://www.elsevier.com/wps/find/bookdescription.cws_home/718539/description