There are 1 book by Evans, Margaret R.N. on BookOrb. A strong starting point is Could it really be something they ate? (2012). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Evans, Margaret R.N. written?
BookOrb lists 1 book by Evans, Margaret R.N..
Where should I start with Evans, Margaret R.N.?
A good starting point is Could it really be something they ate? (2012).
What is the Evans, Margaret R.N. books in order list?
In publication order: 1. Could it really be something they ate? (2012).