Audio & Video
The main characters
Jenny introduces the main characters in the book.
- The main characters
- Beat the Calculator
- 1089
- Perfect pentagon
- Fabulous flexagon
- Making Cubes
- Prime number pizza
- Numerical masterclass
- Q&A with Kjartan Poskitt
- How to Draw Granville's Head
- Chocolate Cake
- Who is Josh Bell?
- Where monsters come from
- Questions from schools
- How Catherine works
- D is for Dialogue
- A reading from Elizabeth
- Cookie’s Brain Busting Quiz
- A Dog with Nice Ears


















