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Shop 18 Years Old

Advanced world history studies, in-depth grammar, and compelling audiobooks offer interest and challenge for teens. 

Our age categories correspond to grade levels, and are just meant as a rough guide. Always focus on your own child’s interests and abilities, rather than standard age/grade levels.

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Age 18_12th Grade
Home » 18 Years Old
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Subject

Subject
  • Math (12)

Series

Series
  • Math with Confidence (12)
  • Facts That Stick (8)

Grade

Grade
  • Elementary School (12)
    • Kindergarten (2)
    • Second Grade (2)
    • Fourth Grade (3)
    • Third Grade (3)
    • First Grade (4)

Format

Format
  • Paperback (10)
  • PDF (10)

Condition

Condition
  • New (8)
  • Scratch & Dent (5)

Showing 1–9 of 38 results