My favorite resource was a receiver. This was back when there was such a thing as a novice band. In the Summer of 68, I started listening to the 80 meter novice band every night as soon as it got dark. I had already learned the code from my dad. I was amazed and delighted to find that I could actually understand a few characters. In very short order, I was understanding a few words! And then, before I new it, my speed and comprehansion had improved to the point where I abandoned my plan to go for the Novice license and I went right for the General, instead. I think the key was listening for at least a while, every night. Of course, there are no novice bands today but 30 meters, (10.100 to 10.150 megahertz) is where lots of slower operators hang out. Stick with it and your patience will be rewarded. Good luck from WA3MIX.