These are the books by Anne Fine that are reviewed on this site:
Actually it's a 3 kg bag of flour. Simon loves his flour baby, but it is a real strain looking after it. How much worse is the real thing?
Up On Cloud Nine
Stolly lives his life up on cloud nine. Most of the time, it's just funny, but when he goes too far and thoughtlessly injures himself, it is time to stop and think about who is hurting most - Stolly, or his friends and family.