A passionate campaign brings four best friends back together in a fight to save their school library in this heartfelt tale from the bestselling author of Pages & Co. The library is Hetty's very favourite place in school, and since falling out with her best friends Ali, Mei and Rocket she's been spending even more time there. So she's absolutely horrified when she learns that her head teacher is planning to close it down, claiming there aren't enough funds to keep the library going. There's no way Hetty's going to sit back and let this happen. But can she repair her broken friendships and build support for her library campaign? Let the Battle of the Books commence!