Hello Bruce,
I just replaced the ESC key on my iBook, purchased from this [seller|http://cgi.ebay.com/Apple-key-Keys-for-G3-and-G4-iBook-keyboard-key
W0QQitemZ370455895509QQcategoryZ33963QQcmdZViewItemQQ_trksidZp4340.m263QQtrkparmsZalgo%3DSIC%26its%3DI%252BC%26itu%3DUCI%252BIA%252BUA%252BFICS%252BUFI%2 6otn%3D10%26pmod%3D350415269884%26ps%3D63%26clkid%3D5740927004365421797].
Wow, that is a huge link. Anyway, the key just clips in, but there is a method.
You can search on Google for "replace iBook keys" for a procedure. ther is also one here,
http://www.powerbookmedic.com/xcart1/home.php?cat=440 search for their free PDF file.
Randy
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