A sister's little instruction book - Jasmine Birtles

'Do not read your sister's diary in secret. Photocopy it and pin it up around the school for everyone to read.'

'There's only one thing worse than your little sister wanting to borrow your clothes: her not wanting to borrow them.'

This little instruction book is filled with true advice for all sisters. Only a sister relationship can randomly swing from best mate to raging hate. Deep down you know you can rely on each other but still can't forgive the spilling of red plonk down your best white top. You're also proud of each other's achievements but can't resist the odd catty remark about fat, spots and ugly ex-boyfriends...