Publisher
- Academic Press1
- Aster1
- Austin Macauley Publishers2
- Ayni Books2
- Balboa Press1
- Balboa Press UK2
- Bantam2
- Bounty1
- CICO Books2
- CRC Press1
- Cambridge Scholars Publishing1
- Dorling Kindersley Limited1
- Fair Winds2
- Fair Winds Press1
- Gaia4
- Godsfield Press1
- Handspring Publishing1
- Hodder & Stoughton2
- Jessica Kingsley Publishers3
- Mainstream Digital2