Robert Nicholson undifferentiated

Ancient Egypt

2003

Super heroes

1999

Vikings

1998

The Ulysses guide

1989

Aztecs (Journey Into Civilization)

1994

Yr Hen Aifft

1992

Vikings (Interfact)

1999

The Egyptians

1999

The Aztecs (Jump! History)

1999

Superheroes (Info Adventure)

1997

Nicholson's New York Guide

1983

Mississippi the Blues Today

1998

Interfact

1999

Great Mysteries

2001

Egyptians

1999

Egyptians [PC version]

1999

Bossholes

2003

Ancient China (Journey Into Civilization)

1995