Hey Greg, A great start is Gaia's Garden by Toby Hemenway. You can also watch some free videos by Geoff Lawton on youtube or his website. A lot will depend on your location/climate and your goals. If you share that, I'm sure people could help you out even more.
If you live in a cold climate and on the grid, incandescent light can use less energy than LED. Tiny ad:
a humble home and a large garden will erase stress from the rat race