num_pages: 155
description: The kids at Koala Hills have finally got to secondary school, so what can they possibly be so worried about? Well, they're thirteen now, and it's a minefield: private business can become public, friends can become enemies, there are any number of alarming diseases to develop, the sea levels are rising, and well, what is the difference between being cool and just trying too hard?
language: English
title: Worried Sick
titlecomplete: Worried Sick (I Hate Fridays, #4)
ratings_count: 29
series: I Hate Fridays
publisher: Penguin Books