A story about who's the biggest - and being a good brother - in the bestselling series about Simon, the cheeky rabbit who knows just what he wants. Simon is annoyed. Casper has grown a lot: three centimetres! But Simon is only one ridiculous centimetre taller than last time. 'So what!' he says, 'I'm the biggest!' Simon sees injustice everywhere. And he doesn't even care when silly Casper gets bullied at the park... Actually, he does care! And he can help out - so who's the biggest now?
Simon is annoyed when little brother Casper grows more than him in a year, although Simon remains the biggest, and when Casper gets bullied in the park, being the biggest can be useful.