9781602702929 | Cdr edition (Abdo Group, July 1, 2008), cover price $57.07 |
About this edition: The Science Rocks!
9781602703223 | Cdr edition (Abdo Group, July 1, 2008), cover price $84.14 |
About this edition: The Science Rocks!
9781602701496 | Cdr edition (Abdo Group, January 1, 2008), cover price $28.50
9781602704039 | Abdo Pub Co, January 1, 2010, cover price $27.07
9781602702134 | Pck lib/cd edition (Abdo Group, July 1, 2008), cover price $57.00 |
About this edition: The Science Rocks!
9781602700383 | Abdo Group, July 1, 2007, cover price $28.50 |
About this edition: Introduces soil, explaining how it is formed, its main ingredients, its different types, and why it is important for life on Earth.