John Levine's book cancelled?

[David Geller]

Just got this from Amazon. :(

>>
Hello from Amazon.com.

We are sorry to report that the release of the following 
item has been cancelled:

  John R. Levine, et al "Q-Mail"

Though we had expected to be able to send this item to you, we've
since found that it will not be released after all.  Please accept 
our sincerest apologies for any inconvenience we have caused you.
        
We have cancelled this item from your order.
<<

Anyone know what happened?

- David