Book: Colourblind for kids: Colourblindness through the eyes of a child

I decided to write this book when we found out that our son Sam, then age 10, was colourblind. I wanted to let parents and children know about the surprising benefits to colourblindness, and that it's not a barrier to a full life. It's available here: 

• Amazon.ca
• Amazon.com (features additional "See inside" preview images)