Please don't use standard threadlock on your spokes. People hear "threadlock" and most will think blue Loc-Tite. Use either linseed/flaxseed oil, or a commercially available spoke prep compound.

1) Linseed oil doesn't become shellac when it dries. Linseed oil is pressed from flax seeds, shellac is secreted by the lac bug. Two totally different things.

2) Spoke prep compounds act as a "locking" compound, providing some additional necessary off-torque capacity when spokes are at low tension.

3) Spoke prep compounds act as a lubricant/anti-seize at higher spoke tensions, so you don't end up rounding off spoke nipples (unless you have the wrong size spoke wrench.)

If you put standard threadlocker on your spokes, good luck trying to adjust them when things go out of true some day down the road.
Being that the OP is in central TX, the chance of riding through persistent rain like I get here in the PNW is low, but corrosion and thread seizure can happen regardless. I'm a big fan of spoke prep on all the spokes when I do a build, not just one side. Think about truing a wheel; chances are that you'll need to tweak spokes on both the drive and non-drive side, so why chance not having anti-seize on one that you'll need to turn?
But it's the dark art of wheelbuilding, and just one guy's opinion, so take it or leave it. Your choice.

As for wheel books, if you're reading Brandt you should also pick up Roger Musson's book for a slightly different perspective with equally helpful skills from basic builds up through boutique-type wheel design.