Status Updates From The Horse and His Boy (The ...

emphasis on how much better things are in Narnia as opposed to the heathen lands

Red Dwarfs: have been given no explanation, though there are apparently red dwarfs and black dwarfs.

"biscuit colored rabbit" this is mentioned as one of the narnians going to war, but also how he described a real life rabbit he saw often at Oxford that he referred to as 'baroness biskit'

once again Aslan is called the son of the emperor over the sea but none of that was gone over in the first book

Aslan totally dismissed Shasta's question about why he decided to maul his friend's back. We're not talking about why I attacked your friend and clawed her back right now!