What book should i buy pls!

hi, i'm new to microsoft dynamics, no experience before i'm still a student,,, and i was assignmed for this job that in 4 weeks i have to make a case study in building a fiticious company with Microsoft dynamics 5.0,  can you suggest a good book  or from can i get infmration(already have the manuals, and the link of dynamics fact sheets and white sheets but tneir not 100% useful in  building a system so that i'lll be able to do this assignment pls.........