Thank you for viewing. Interesting and Useful Children's Biographies Set of 20 books 1. Hideyo Noguchi 2. Mother Teresa 3. Toyotomi Hideyoshi 4. Wright Brothers 5. Beethoven 6. Helen Keller 7. Kenji Miyazawa 8. Ikkyu 9. Marie Curie 10. Edison 11. Nightingale 12. Christ 13. Ryoma Sakamoto 14. Anne Frank 15. Yukichi Fukuzawa 16. Osamu Tezuka 17. Tokugawa Ieyasu 18. Ninomiya Sontoku 19. Fabre 20. Oda Nobunaga How about using these for studying history, etc.? They are in good condition, although this depends on individual perception. The outer covers have some creasing from storage. Please understand that these are used items before making a purchase. #Rash