1. Alchemy - Circle on the cover

2. Animal Studies - Yellow Title

3. Art of Illusion - Word 'game' or 'play' in title

4. Astromony - Zodiac recommendation

5. Conjunction - Colour Wheel

6. Demonology - Book you did not pay for

7. Elemental Studies - Source of light on the cover

8. Spells and incantations - Random number generator title length

9. Artificery - Lock or Key on cover or in title

10. Inscription - Write down three titles, fold them, then pick one