M. J. Williams is the pen name for co-authors Peggy Joque Williams and Mary Joy Johnson. The On the Road mystery series features retirees and newbie RVers Emily & Stan Remington. Emily, a small town police officer, and Stan, a college history professor and researcher, are perfectly suited for solving the mysteries they encounter, but face a definite learning curve when it comes to the RV life.
On the Road to Death’s Door 
Travel with Emily & Stan to Door County, Wisconsin. Available in these formats:
Kindle: https://www.amazon.com/Road-Deaths-Door-Mystery-Book-ebook/dp/B006CA06BU
Paperback: https://www.amazon.com/Road-Deaths-Door-M-Williams/dp/1468065335/
Audiobook: https://www.amazon.com/Road-Deaths-Door-Mystery-Book/dp/B01N2OVEJU/
On the Road to Where the Bells Toll
Travel with Emily & Stan to Boston, Massschusetts. Available in these formats:
Kindle: https://www.amazon.com/gp/product/B00RB5MRKI
Paperback: https://www.amazon.com/Road-Where-Bells-Toll-Mysteries/dp/1505286859
Audiobook: https://www.amazon.com/Road-Where-Bells-Toll-Mystery/dp/B01N7VC8VM