New words:
I
Sam
See
Each new word throughout the program is repeated at least five times in the book in which it first appears and five more times in the next ten books.
Plot Summary
In his encyclopedia Mat the Rat discovers a picture of a real lion and learns many things about lions. Mat sees what a real lion looks like, where he lives, and what he eats. Mat is so excited that he wants his friend Sam, who is a lion, to read about the lions too.