Greg James and Chris Smith visit the Puffin Podcast's whimsical Library of Made-Up Things to chat about their magical adventure novel The Great Dream Robbery. The authors play 'would you rather' games with young listeners, reveal how they find inspiration (spotting scruffy cats, talking to kids at schools), and introduce the hilariously named 'Clayton Hypnogic Energy Enhancing Sensor Ellipse' — or 'CHEESE' for short — the magical device that takes characters into dreamland.