Barley is seen in this book when
Bluestar and her small patrol meets him on their way back to the moonstone [
ITW16].
Barley warns
Bluestar that the farmer's dogs have been unleashed, so they take the other path, only to end up being attacked by vicious rats.
Barley saves the day not before
Bluestar looses a life, and
Tigerclaw sends him away after the rats leave. Later on in the book
Ravenpaw travels to live with
Barley [
ITW21] in order to escape from his mentor
Tigerclaw, who is plotting his death.