Here you can download the following develbooks:

gDesklets 0.36.2 develbook (tar.gz, 568850 Bytes) - Revision #9, May 24th, 2010
gDesklets 0.36.1 develbook (tar.gz, 557729 Bytes) - Revision #7, November 2nd, 2008
gDesklets 0.36 develbook (tar.gz, 551979 Bytes)