I assume you're talking about Maui Revealed, The Ultimate Guide Book by Andrew Doughty and Harriett Friedman. Excellent guide book and they have written similar books for most of the major Islands, it's a must have for first timers. We experienced a lot of things that we would have never known about without it. You have to love book that tells you to keep an eye out for the blue naked lady or the guy with a feather stuck in his head (literally) in Paia.
We also enjoyed the road to Hana, beautiful country out there and the drive alone was a rush. There's nothing like coming face to face with a dump truck in the blind hairpin corner of a one lane road to get the adrenaline flowing.
That's it, thanks!! The directions can really be funny as you said.