https://www.amazon.com/gp/product/1422498743/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 I used this for my Property class.
The only way to deal with the RAP is graphically. You can't answer it by thinking about it like a puzzle. It's sort of the real-life version of a LSAT logic game.
What you do is watch this video on how to draw a graphical representation of the times involved and conveyances: https://www.youtube.com/watch?v=tLTDCqR2mts
If you need to learn estates, pick up https://www.amazon.com/Students-Guide-Estates-Future-Interests/dp/1422498743
A Student's Guide to Estates in Land and Future Interests: Text, Examples, Problems, and Answers
http://www.amazon.com/gp/product/1422498743/ref=oh_aui_search_detailpage?ie=UTF8&psc=1