        WBC (White Blood Cell) - (version 2)
        ====================================
        
This scenario is part of the book 

    "Introduction to Programming with Greenfoot"
    (Second edition)
    by Michael Kölling
    ISBN: 0134054296

This scenario is discussed in detail in that book (chapter 5).

Copyright (c) Michael Kölling.


The second version of the White Blood Cell scenario. Things are 
moving around, but the cell is not catching viruses yet.
