Positive Vision: Enjoying the Adventures and Advantages of Poor Eyesight is available:
At all major online stores worldwide that sell books.
As a hardcover, paperback, ebook, and audio book.
If you live near a book store, please support them and your local community by ordering the book there.
Adlibris (Sweden) hardcover paperback
Agapea (Spain) hardcover
(Plus many other countries)
Authors Direct (US/Worldwide) audio book
Barnes & Noble and Nook (United States) hardcover paperback NOOK ebook
Fabled Bookshop & Café (United States) hardcover and paperback
Fishpond (worldwide) hardcover and paperback
Google Play (worldwide) audio book
Libro.fm (worldwide) audio book
Nook See Barnes & Noble and Nook (above)
Vision Australia (Australia) paperback
For Walmart ebooks and audio books see Kobo (above)
Wook (Portugal) hardcover paperback ebook
If you know of other places where Positive Vision is for sale, please let me know via the Contact form.