Books
- Skoob Directory of Bookshops in the United Kingdom. 1987, with Peter Mayer
- Skoob Directory of Secondhand Bookshops in the British Isles: 3rd edn. 1989, with Mei P. Ong
- Skoob Directory of Secondhand Bookshops in the British Isles: 4th edn. 1991, with Mei P. Ong