Arizona Guide,
I've tried every trpe of topo map (USGS printed maps, computer software, etc) and must state that the best source for topo maps is a web site topozone.com. You can brouse topo maps at no cost. You can also print them to have a cheap, disposable map for your pack. You can also order custom printed topo's from them for a small charge (~$40) based opn EXACTLY the area you intend to hunt. It's a great site with good features and products. Happy hunting. Weatherby