- Scale - both large and tiny books / single images
- Landscape vs portrait
- Crown binding
- Concertina books
- Pages can can fold out bigger than the book
- Shaped books
- 'Magic' book
- Pop-up
- Changing illustrations
- Wheels, doors, etc. Interactivity.
- Pop-out rooms - paper doll house.
- Paper dolls
- Movable puppets
- Shadow puppets
- Tattoo paper
- Embossing
- Layers
- Translucency
- Puncturing
- 3D models
- Papertoys
- Origami
- Play with light
- Cam systems
- Pull-out peep shows
- Papermation
- Quilling
And anything else I think of to be added...
