Here some other tips:
1. M J Williams "On the Road to Death's Door"
http://www.amazon.com/On-Road-Deaths.../dp/B006CA06BU
2. Jacqueline DeGroot "Running Into Temptation" the first book in the "Running Series" a RV-related mystery/adventures
http://www.amazon.com/Running-Into-T.../dp/B001XCWW0A