Incoming Resources
- Usborne Pub., London, 1996
- Usborne Pub., EDC Pub., Londres, Tulsa, Okla., 1999
- Usborne Pub., EDC Pub., London, Tulsa, Okla., 2000
- Usborne Pub., EDC Pub., London, Tulsa, Okla, 1990
- EDC Publishing, Usborne Pub., Tulsa, OK, London, 2014
- Usborne Pub., published in the United States by EDC Pub., Londres, Tulsa, Okla., c1998
- Usborne Pub., London, 2002