- Format: Pocket
- Antall sider: 288
- Språk: Engelsk
- Forlag/Utgiver: SD Books
- EAN: 9781787393189
- Utgivelsesår: 2020
- Bidragsyter: Mensa Ltd
199,-
20 tests consisting of 40 puzzles each, focussing mainly on logic puzzles, from Skyscrapers and Number Pyramids to more exotic puzzles like Kropki and Hashi.