== Phase P1: Relational Model

[[Image(RelationalModel-ProjectCode (3).jpg,width=1000,height=800)]]

**Descriptive documentation and argumentation**

Model seagment Edition_Attributes - Each edition has its own set attributes example (num_pages,cover_type) but also have additional attributes represented by the table AttributePair which contains a 2 foreign keys to a table of attribute valuse and attribute types.