Originally Posted by Joe563
I did run into this problem with a book loaded into my Kobo Original. In my case the problem was with the book, not the e-reader. Have you tried to read the book in a Desktop application such as the Kobo Desktop, Adobe ADE or Calibre. If the problem also shows up there, then, there is a problem with the book.
Thanks for the suggestion. The book displays correctly in Calibre and iBook. So I believe it's a Kobo problem.