If you do e-mail O'Reilly, odds are good you'll talk to someone whose job it is to respond to customers during work hours, not an editor who happened to run across this meditation after work!

The Hacks series is a completely different product line from the Animal books, as are the Head First and Missing Manual series. Besides that, the first version of Unix Power Tools (the spiritual successor to Linux Server Hacks) had a power drill.

I will bring up the point of downloadable code, though.