I thoroughly enjoyed reading this. Kathryn Schulz's style is very clear and involving, often humorous and never patronising; it was a page-turner. Her assertions are well supported, illustrated with examples, and the text is littered with footnotes and endnotes, providing interesting asides, citing research studies and referencing the classics for further reading.
What struck me was how 'being wrong' encompasses all human experience: religion, love, science, crime, comedy, navigation, mental illness, art... As sure as we can believe and experience anything, we can be wrong about it (apart from whether we exist at all--we can't be wrong about that).
Whilst the book takes as its theme that we are all fallible, it explores the 'optimistic' view of this trait, and the role it plays in those things which make us human. It would cheapen this book to class it as 'self-help', but if you've ever made a mistake and felt a bit bad about yourself, you'll find the arguments within of great benefit.
This book makes me want to have studied philosophy or psychology. On almost every page, I learned to look at something in another way. I cannot recommend this book highly enough.