text: I had never read any of  Vernor Vinges books before, but i had heard he was an excellent author, so I thought I would try this.  Boy, am I glad I bought it used on Amazon for about only $4.  I simply had no idea what was going on in this novel. The plot is unintelligible. I dont know what the Bioweapon  the jacket refers to is? I dont know what "the Rabbit" is.  I see that numerous other reviews here, did not know what was going on either. I do not understand how someone could write so incoherently. 
  The concept of someone who had Alzheimers getting cured & entering a future society is great - but it never goes anywhere.  The only reason I did not fall asleep, was that I was trying to figure out what was going on, but I did could not  even finish this book
  