
The original as referenced here - ftp://minnie.tuhs.org/UnixArchive/Documentation/Books/Life_with_Unix.pdf - is no longer available as "The Independent UNIX Bookstore" no longer exists.
UNIX as literature http://theody.net/elements.html
Life with UNIX by Don Libes http://minnie.tuhs.org/Archive/Documentation/Books/Life_with... (from the author's website)