The Official Oz Books were written by L. Frank Baum, who created Oz and is called "the Royal Historian of Oz".

By L. Frank Baum

1. The Wonderful Wizard of Oz (1900)

2. The Marvelous Land of Oz (1904)

3. Ozma of Oz (1907)

4. Dorothy and the Wizard in Oz (1908)

5. The Road to Oz (1909)

6. The Emerald City of Oz (1910)

7. The Patchwork Girl of Oz (1913)

8. Tik-Tok of Oz (1914)

9. The Scarecrow of Oz (1915)

10. Rinkitink in Oz (1916)

11. The Lost Princess of Oz (1917)

12. The Tin Woodman of Oz (1918)

13. The Magic of Oz (1919)

14. Glinda of Oz (1920)

Other works by L. Frank Baum, the Royal Historian of Oz

Other Oz Books

Subsequent to Baum's death, Reilly & Lee published an additional 26 Oz books by other writers over the ensuing decades. These books more or less followed Baum's original, official canon.

By Ruth Plumly Thompson

15. The Royal Book of Oz (1921)

16. Kabumpo in Oz (1922)

17. The Cowardly Lion of Oz (1923)

18. Grampa in Oz (1924)

19. The Lost King of Oz (1925)

20. The Hungry Tiger of Oz (1926)

21. The Gnome King of Oz (1927)

22. The Giant Horse of Oz (1928)

23. Jack Pumpkinhead of Oz (1929)

24. The Yellow Knight of Oz (1930)

25. Pirates in Oz (1931)

26. The Purple Prince of Oz (1932)

27. Ojo in Oz (1933)

28. Speedy in Oz (1934)

29. The Wishing Horse of Oz (1935)

30. Captain Salt in Oz (1936)

31. Handy Mandy in Oz (1937)

32. The Silver Princess in Oz (1938)

33. Ozoplaning with the Wizard of Oz (1939) By John R. Neill:

By John R. Neill:

34. The Wonder City of Oz (John R. Neill, 1940)

35. The Scalawagons of Oz (John R. Neill, 1941)

36. Lucky Bucky in Oz (John R. Neill, 1942)

By Jack Snow:

37. The Magical Mimics in Oz (Jack Snow, 1946)

38. The Shaggy Man of Oz (Jack Snow, 1949)

By Rachel Cosgrove Payes:

39. The Hidden Valley of Oz (Rachel Cosgrove, 1951)

By Eloise Jarvis McGraw and her daughter:

40. Merry Go Round in Oz (Eloise Jarvis McGraw and Lauren Lynn McGraw, 1963)

The Baum Trust endorsed the following books as canonical:

41. The Emerald Wand of Oz (Sherwood Smith, 2005)

42. Trouble Under Oz (Sherwood Smith, 2006)

43. Sky Pirates of Oz (Sherwood Smith, TBA)

Additional Oz Books by the earlier writers that weren't published by Reilly & Lee:

Additional Oz Books by later writers, that followed Baum's canon, include:

  • How the Wizard Came to Oz
  • How the Wizard Saved Oz
  • The Amber Flute of Oz
  • The Speckled Rose of Oz
  • The Magic Chest of Oz
  • The Unknown Witches of Oz
  • The Disenchanted Princess of Oz
  • The Magic Ruby of Oz
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