Nova / WGBH Boston Video, 2004. VHS video tape, NTSC, Colour, educational.  ISBN 1-59375-134-6.  New in shrink wrap.  60 minutes playing time; not rated.  Narrated by John Lithgow and as seen on Public Television.  ‘We feed them, breed them, pet them and dress them, but how well do we really know them?  John Lithgow narrates this insightful look at how dogs evolved from fierce wolves to playful pets – and why there are so many types of dogs today.’ (from rear box)