Cally Hall

Earth Facts

2004

1,001 Facts About Planet Earth (Backpack Books)

2003

1001 facts about planet earth

2003

Closer Look at Deserts and Wastelands (Closer Look at)

1999

Closer Look at Mountains (Closer Look at)

1997

Miniguia - La Tierra

1995

Gems & precious stones

1993

Identifying Gems & Precious Stones (Identifying : the New Compact Study Guide and Identifier)

1993