Colin Coleridge is facing a long, boring summer holiday with NOTHING to do. But when he notices some weird markings outside his house, and some strangers acting VERY suspiciously in his neighbour’s garden, he decides to investigate. Publisher: HarperCollins Publishers Author(s): Tom Mitchell Number of pages: 320 Publication date: 2024 Dimensions: 128 x 199 x 23 Cover type: Paperback / softback