What has the author R J Balcombe written?

You're likely thinking of R.J. Palacio, not "R.J. Balcombe".

R.J. Palacio is the author of the bestselling novel "Wonder", which has been adapted into a popular film. She has also written other books, including:

* "Auggie & Me"

* "365 Days of Wonder"

* "The Tenth Thing About You"

* "White Bird: A Wonder Story"

There is no record of an author named "R.J. Balcombe." If you're thinking of a different author, please provide more information.