Cost: $25-30 new
Find it: http://www.nolo.com/products/living-together-ltk.html
While it is written for couples, the information in this amazing guide are equally useful for poly relationships. Covering such important topics as:
- the legality of living together
- having and raising children
- the many types of ownership agreements
This resource is primarily for US poly-folk. It covers all 50 states and includes the necessary forms to complete the various contracts and legal cover-your-ass approaches it discusses. Poly-folk outside the US might benefit from picking up a used copy to get an idea of the kinds of issues you might need to consider and what questions you might want to ask a lawyer.
Recommended to me by Ms Mono/Poly of From Baltic to Boardwalk