- Precalculus -- Problems, exercises, etc
- Reading (Elementary) -- Problems, exercises, etc -- Juvenile literature
- Photography, Artistic -- Problems, exercises, etc
- Reading (Middle school) -- Problems, exercises, etc
- Mathematics + Study and teaching (Primary) -- Problems, exercises, etc -- Juvenile literature
- Cognition + Age factors -- Problems, exercises, etc
- Reading readiness -- Problems, exercises, etc
- Aging + Prevention -- Problems, exercises, etc
- French language + Grammar -- Problems, exercises, etc
- Human information processing + Age factors -- Problems, exercises, etc
- Mindfulness (Psychology) -- Problems, exercises, etc
- Backgammon -- Problems, exercises, etc
- Discipline of children -- Problems, exercises, etc
- Climatic changes -- Problems, exercises, etc -- Juvenile literature
- Arithmetic -- Problems, exercises, etc -- Juvenile literature
- Welding -- Problems, exercises, etc
- English language -- United States -- Writing -- Problems, exercises, etc
- English language + Terms and phrases -- Problems, exercises, etc
- Descriptive cataloging -- Rules -- Problems, exercises, etc
- Shapes -- Problems, exercises, etc
- English language + Rhetoric -- Problems, exercises, etc
- Problem solving -- Problems, exercises, etc -- Juvenile literature
- English language + Sentences -- Problems, exercises, etc
- Engineering -- Problems, exercises, etc -- Juvenile literature
- Self-actualization (Psychology) -- Problems, exercises, etc
- Creative ability -- Problems, exercises, etc
- English language + Verb -- Problems, exercises, etc
- English language + Idioms -- Problems, exercises, etc
- MARC formats -- Problems, exercises, etc
- Chemistry, Organic -- Problems, exercises, etc
- English language + Verb phrase -- Problems, exercises, etc
- Portuguese language -- Problems, exercises, etc
- Mathematics -- Problems, exercises, etc -- Juvenile literature
- Sports -- Problems, exercises, etc
- English language + Usage -- Problems, exercises, etc
- Anxiety -- Problems, exercises, etc
- Reading (Primary) -- Problems, exercises, etc -- Juvenile literature
- Composition (Photography) -- Problems, exercises, etc
- Brain + Aging -- Problems, exercises, etc
- French language + Composition and exercises -- Problems, exercises, etc
- French language + Sentences -- Problems, exercises, etc
- Japanese language -- Problems, exercises, etc
- Creative writing -- Problems, exercises, etc
- Algebra -- Problems, exercises, etc -- Juvenile literature
- Calculus -- Problems, exercises, etc
- English language + Orthography and spelling -- Problems, exercises, etc
- GED tests -- Problems, exercises, etc
- Penmanship -- Problems, exercises, etc -- Juvenile literature
- Vocabulary -- Problems, exercises, etc -- Juvenile literature
- Technology -- Problems, exercises, etc -- Juvenile literature