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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 (6)
  • Well-Trained Mind Academy Textbooks (6)
  • Resources for Parents (3)

Series

Series
  • The Story of the World (29)
  • Biography and History Audiobooks (26)
  • Famous Figures (9)
  • 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
  • College & Beyond (18)
  • High School (25)
    • Twelfth Grade (18)
    • Eleventh Grade (19)
    • Tenth Grade (19)
    • Ninth Grade (25)
  • Elementary School (66)
    • Kindergarten (7)
    • First Grade (16)
    • Second Grade (43)
    • Third Grade (55)
    • Fourth Grade (65)
  • Middle School (74)
    • Eighth Grade (27)
    • Seventh Grade (48)
    • Sixth Grade (55)
    • Fifth Grade (70)

Format

Format
  • PDF (36)
  • Audio CD (33)
  • Downloadable MP3 (33)
  • Paperback (24)
  • Downloadable (7)
  • Hardcover (7)
  • MP3 (7)
  • Loose-leaf Packet (4)
  • Other (1)

Condition

Condition
  • New (52)
  • Scratch & Dent (34)