Join on tables using Fluent NHibernate

I started using Fluent NHibernate about a year ago as I was experimenting with ORM's in general when a good friend introduced me to the framework.First of all, I felt that learning Fluent NHibernate in the first place wasn't that easy. I eventually found everything I needed on the internet, but for some reason, it wasn't as easy for me as other frameworks i've dealt with in the past. Enough said,