There are 1 book by Juan O'Callahan on BookOrb. A strong starting point is Wellness for Super-Seniors (2012). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Juan O'Callahan written?
BookOrb lists 1 book by Juan O'Callahan.
Where should I start with Juan O'Callahan?
A good starting point is Wellness for Super-Seniors (2012).
What is the Juan O'Callahan books in order list?
In publication order: 1. Wellness for Super-Seniors (2012).