I can pick up and read Cuckoo's Egg anytime and re-read it and every time it is just as exciting. If you haven't read it, you should.<p>Also, the NOVA documentary is available on YouTube, viz.:<p><a href="http://www.youtube.com/watch?v=v1swbLfrP6g" rel="nofollow">http://www.youtube.com/watch?v=v1swbLfrP6g</a><p>Worth watching (but read the book first!)