Attention, Momentum, Organizing
Michael D. "GeePaw" Hill, Many More Much Smaller Steps. A 5-post series on making small bits of continuous progress in software. series
Leo Babauta, Zen to Done, a more narrowly focused, specific and prescriptive method reacting to the failure modes typical to Getting Things Done. ztd .
Music. Music isn't on the reading list, but it's a tool for tuning mood and attention.