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- Division, Joseph Midthun, Samuel Hiti
- Midthun, Joseph, Building blocks of science
- Fractions, Joseph Midthun, Samuel Hiti
- Sound, Joseph Midthun, Samuel Hiti
- Light, Joseph Midthun, Samuel Hiti
- Energy, Joseph Midthun, Samuel Hiti
- Matter and how it changes, Joseph Midthun, Samuel Hiti
- Addition, Joseph Midthun, Samuel Hiti
- Matter and its properties, Joseph Midthun, Samuel Hiti
- Gravity, Joseph Midthun, Samuel Hiti
- Multiplication, Joseph Midthun, Samuel Hiti
- Magnetism, Joseph Midthun ; [art by] Samuel Hiti
- Subtraction, Joseph Midthun, Samuel Hiti
- Force and motion, Joseph Midthun, Samuel Hiti