[jamesbritt]

"Baseball is 90 percent mental. The other half is physical."

   -- Yogi Berra

Same math applies to software and book-writing

[jo_]

Writing software is 60% understanding the problem, 25% understanding the tools, 20% understainding requirements, and -5% hacking the solution to make it fit requirements.

[Raticide]

    Mental: 64.29%
    Physical: 35.71%