Below is a list of all my published books on allergies, gastrointestinal disorders and my writing guides. You can choose most of them individually through the Books drop-down menu.

You can find all books through my Amazon Author Page for the United States, for Canada, for the United Kingdom, as well as other Amazons internationally.

Books About Allergies

Living with Food Allergy (2004) (Out of Print)
The Metal Allergy Guide (2021)
Living with Methylisothiazolinone Allergy (2nd edition, 2025)
Living with Propylene Glycol Allergy (2025)

Books About Gut Disorders

Living with Food Intolerance (2003)
IBS: Dietary Advice to Calm Your Gut (2018)
Coeliac Disease: What You Need to Know (3rd edition, 2020)

Non-Fiction Writing Guide Books

Writing Your Non-Fiction Book (ebook only) (2017)
50 Mistakes Beginner Writers Make (Book 1/3) (2019)
50 More Mistakes Beginner Writers Make (Book 2/3) (2019)
50 Mistakes Writers Make (Book 3/3) (2019)