This is my second book I bought from this publisher and I felt it was a pretty solid book. After jumping on the wireless bandwagon, I wanted to mess with all those features found in my wireless router and understand what I'm doing. This book helped me to do that. Although theres no 'real' coverage in it about the emerging standards such as 802.11g and newer protocols, I learned enough from this book that I can google selected topics on the newer protocols and find the info that I need. The author John Ross explains how wireless communication works, from the packet layer up and although the book can get a little technical at times, its a book you can read at bedtime and dont need a computer for. He talks about securing your access points, using sniffer tools to find wireless networks, choosing best places to set up access points, and covers wireless networking in Windows, Linux, Unix, Mac's and PDA's.