For part 2 in this series (which I've renamed slightly), we add some new domain classes to the nascent Bob's Pizza Place domain model with relationships between them. We also add a bit of logic to some of the classes to enrich the domain model with business logic.

You can download the article in PDF format here: DomainModellingWithHabanero01-02.zip. This zip contains part 1 and part 2, as well as the final source for both.