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Shop 15 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 15_9th Grade
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Subject

Subject
  • History & Geography (29)
  • Well-Trained Mind Academy Textbooks (15)

Series

Series
  • Biography and History Audiobooks (29)
  • The Story of the World (29)
  • Famous Figures (10)
  • The History of the World (9)
  • Myths, Legends, Fairytales, and Fables (6)
  • Who in the World (4)
  • Books and Fun for Parents (3)
  • Fiction and Poetry Audiobooks (3)

Grade

Grade
  • Elementary School (25)
    • First Grade (6)
    • Second Grade (11)
    • Third Grade (19)
    • Fourth Grade (25)
  • Middle School (29)
    • Eighth Grade (10)
    • Seventh Grade (16)
    • Sixth Grade (23)
    • Fifth Grade (29)

Format

Format
  • PDF (25)
  • Paperback (17)
  • Audio CD (4)
  • Downloadable MP3 (4)
  • Hardcover (4)
  • Loose-leaf Packet (4)

Condition

Condition
  • New (20)
  • Scratch & Dent (15)