Mirrors:

http://filespace.com/18jv8nu7srv1/usagitghc2.part1.rar.html
http://filespace.com/yo6iis8221t5/usagitghc2.part2.rar.html
http://filespace.com/knwbtnsrc7gg/usagitghc2.part3.rar.html
http://filespace.com/blcj3uiopbrf/usagitghc2.zip.html