- V.1.The discovery of America
- v.2.The secret of the sphinx
- v.3.The coliseum con
- v.4.Following the trail of Marco Polo
- v.5.The great ice age --
- Following the trail of Marco Polo
- The coliseum con
- The discovery
- The great ice age
- The secret of the sphinx
- New York : Papercutz
- 9781597071895 (v.1)
- 9781597071901 (v.2)
- 9781597071918 (v.3)
- 9781597072014 (v.5)
- 9781597072052 (v.4)
- http://library.kccnp.hk/opac/bib/AaVC
Kiangsu & Chekiang College International Section