The Giant Surprise: A Narnia Story

The Giant Surprise: A Narnia Story is a book written by Hiawyn Oram, it's story takes place in the land of Narnia. It is about how the Marshwiggle Puddleglum, and his neice Lally save their mice friends from Giants. As it is not written by C.S. Lewis and is not a part of the The Chronicles of Narnia, it may or may not be considered cannon despite it being approved by the Lewis Estate.