I hear you on the need for more editing on some videos John - a pet peeve of mine too, especially since I'm on slower satellite connection with limited bandwidth.
See here for where to get the Wisner book:
RMH Builders Guide
Not sure which flavour of Linux your running, but on LInux Mint you can amplify the sound at: preferences/ sound/ settings.
Just remember to turn it down when your done or you might risk loosing an eardrum or two when listening to something else!
Permies actually is a disease. The founder Paul Wheaton uses it to infect many minds with Permaculture. :)