- Earth science, v.8 - The Earth's Resources - (v. 4 : alk. paper)
- Earth science, v.2 - Rocks - (v. 5 : alk. paper)
- Earth science, v.7 - Geological Time - (v. 6 : alk. paper)
- Earth science, v.8 - The Earth's Resources - (v. 7 : alk. paper)
- Earth science, v.5 - Plate Tectonics - (v. 6 : alk. paper)
- Earth science, v.6 - Landforms - (v. 5 : alk. paper)
- Earth science, V.1 - Minerals - (v. 5 : alk. paper)
- Earth science, v.2 - Rocks - (v. 7 : alk. paper)
- Earth science, v.2 - Rocks - (v. 4 : alk. paper)
- Earth science, v.6 - Landforms - (v. 1 : alk. paper)
- Earth science, v.7 - Geological Time - (v. 1 : alk. paper)
- Earth science, v.5 - Plate Tectonics - (v. 7 : alk. paper)
- Earth science, v.7 - Geological Time - (v. 7 : alk. paper)
- Earth science, v.6 - Landforms - (set : alk. paper)
- Earth science, v.8 - The Earth's Resources - (v. 8 : alk. paper)
- Earth science, v.8 - The Earth's Resources - (v. 6 : alk. paper)
- Earth science, v.6 - Landforms - (v. 3 : alk. paper)
- Earth science, v.4 - Earthquakes and Volcanoes - (v. 8 : alk. paper)
- Earth science, v.4 - Earthquakes and Volcanoes - (set : alk. paper)
- Earth science, v.8 - The Earth's Resources - (v. 1 : alk. paper)
- Earth science, v.2 - Rocks - (v. 6 : alk. paper)
- Earth science, v.2 - Rocks - (set : alk. paper)
- Earth science, v.5 - Plate Tectonics - (v. 8 : alk. paper)
- Earth science, v.7 - Geological Time - (v. 3 : alk. paper)
- Earth science, v.2 - Rocks - (v. 3 : alk. paper)
- Earth science, v.5 - Plate Tectonics - (v. 5 : alk. paper)
- Earth science, v.7 - Geological Time - (set : alk. paper)
- Earth science, v.5 - Plate Tectonics - (set : alk. paper)
- Earth science, v.7 - Geological Time - (v. 5 : alk. paper)
- Earth science, V.1 - Minerals - (v. 6 : alk. paper)
- Earth science, v.6 - Landforms - (v. 8 : alk. paper)
- Earth science, V.1 - Minerals - (v. 4 : alk. paper)
- Earth science, v.5 - Plate Tectonics - (v. 2 : alk. paper)
- Earth science, V.1 - Minerals - (v. 1 : alk. paper)
- Earth science, v.7 - Geological Time - (v. 4 : alk. paper)
- Earth science, v.3 - Fossils - (v. 1 : alk. paper)
- Earth science, V.1 - Minerals - (v. 2 : alk. paper)
- Earth science, v.7 - Geological Time - (v. 8 : alk. paper)
- Earth science, v.5 - Plate Tectonics - (v. 4 : alk. paper)
- Earth science, v.3 - Fossils - (v. 5 : alk. paper)
- Earth science, V.1 - Minerals - (v. 8 : alk. paper)
- Earth science, v.8 - The Earth's Resources - (v. 3 : alk. paper)
- Earth science, v.2 - Rocks - (v. 2 : alk. paper)
- Earth science, v.4 - Earthquakes and Volcanoes - (v. 7 : alk. paper)
- Earth science, v.7 - Geological Time - (v. 2 : alk. paper)
- Earth science, v.3 - Fossils - (v. 8 : alk. paper)
- Earth science, v.6 - Landforms - (v. 7 : alk. paper)
- Earth science, v.4 - Earthquakes and Volcanoes - (v. 6 : alk. paper)
- Earth science, v.3 - Fossils - (v. 7 : alk. paper)
- Earth science, v.3 - Fossils - (set : alk. paper)