1.  O Pioneers!  United States   

 ~ Author Willa Cather  ~ Illustrator Mark Weakley

2.  Oceanography: A Golden Exploring Earth Book  Sea or Islands   

 ~ Author Marion B. Carr  ~ Illustrator Sy Barlowe

3.  Odd and the Frost Giants  Norway   

 ~ Author Neil Gaiman  ~ Illustrator Brett Helquist

4.  Of Swords and Sorcerers: The Adventures of King Arthur  England   

 ~ Author Margaret Hodges  ~ Illustrator David Frampton

5.  Off Soundings: Aspects of Maritime History of Rhode Island  United States   

 ~ Author Alexander Boyd Hawes

6.  Off the Beaten Path: Scenic & Interesting Places  United States   

7.  Oh, What a Busy Day  United States     

 ~ Author Gyo Fujikawa

8.  Oink and Pearl   

 ~ Author Kay Sproat Chorao

9.  Ojibway Drums  United States   

 ~ Author Marian Waite Magoon  ~ Illustrator Larry Toschik

10.  Old Black Witch!  United States   

 ~ Author Wende Devlin  ~ Illustrator Harry Devlin

11.  Old Bones the Wonder Horse  United States   

 ~ Author Mildred Mastin Pace   ~ Illustrator Wesley Dennis

12.  Old Con and Patrick  United States   

 ~ Author Ruth Sawyer  ~ Illustrator Cathal O'Toole

13.  Old Ironsides, an Illustrated History of USS Constitution  United States   

 ~ Author Thomas Patrick Horgan

14.  Old Ironsides: Eagle of the Sea  United States   

 ~ Author David G. Fitz-Enz

15.  Old Ironsides: The Fighting Constitution (#51)  United States   

 ~ Author Harry Hansen  ~ Illustrator Walter Buehr

16.  Old Macdonald Had a Farm  United States   

  ~ Illustrator Moritz Kennel

17.  Old Man Rabbit's Dinner Party   

 ~ Author Carolyn Sherwin Bailey  ~ Illustrator Bill and Bonnie Rutherford

18.  Old Mother Goose and Other Nursery Rhymes   

  ~ Illustrator Alice and Martin Provensen

19.  Old Mother Hubbard   

  ~ Illustrator Anne Sellers Leaf

20.  Old Mother West Wind  United States   

 ~ Author Thornton W. Burgess  ~ Illustrator Michael Hague

21.  Old Mother West Wind  United States     

 ~ Author Thornton W. Burgess  ~ Illustrator George F. Kerr

22.  Old Pipes and the Dryad  Scotland   

 ~ Author Frank Richard Stockton  ~ Illustrator Walter Zimmerman

23.  Old Rhymes for All Times  England     

 ~ Author Cicely Mary Barker

24.  Old Rose and Silver  England   

 ~ Author Myrtle Reed

25.  Old Testament and Related Studies  Israel   

 ~ Author Hugh Nibley

26.  Oliver Twist  England   

 ~ Author Charles Dickens  ~ Illustrator Lawrence Beall Smith

27.  Oliver's Red Toboggan   

 ~ Author Paul Kortepeter  ~ Illustrator Susan Wheeler

28.  Ollie's Ski Trip  Sweden   

 ~ Author Elsa Beskow

29.  On Dangerous Ground  China   

 ~ Author Jack Higgins

30.  On Holy Ground  Israel   

 ~ Author S. Michael Wilcox

31.  On Noah's Ark  Sea or Islands   

 ~ Author Jan Brett

32.  On the Banks of Plum Creek {#4}  United States   

 ~ Author Laura Ingalls Wilder  ~ Illustrator Garth Williams

33.  On the Night of the Seventh Moon  Germany     

 ~ Author Victoria Holt

34.  On The Other Side of the Hill {#4}  United States   

 ~ Author Roger Lea MacBride  ~ Illustrator David Gilleece

35.  On the Way Home  United States   

 ~ Author Laura Ingalls Wilder

36.  On To Oregon  United States   

 ~ Author Honore Morrow  ~ Illustrator Edward Shenton

37.  On Wood Cove Island  United States   

 ~ Author Elbridge S. Brooks  ~ Illustrator Frederick James Boston

38.  Once There Was A Little Boy  Israel   

 ~ Author Dorothy Kunhardt  ~ Illustrator Helen Sewell

39.  Once There Was and Was Not: Armenian Tales Retold  Czech Republic   

 ~ Author Virginia A. Tashjian  ~ Illustrator Nonny Hogrogian

40.  Once Upon a Christmastime: Stories for the Season  United States   

41.  Once Upon A Time: Story of the Frog Prince   

 ~ Author Jacob and Wilhelm Grimm  ~ Illustrator Elizabeth Webbe

42.  One Good Friend  United States   

 ~ Author Patrick Regan  ~ Illustrator Becky Kelly

43.  One Whaling Family  United States   

 ~ Author Harold Williams

44.  Only One Woof  England   

 ~ Author James Herriott  ~ Illustrator Peter Barrett

45.  Only the Brave: The San Juan Pioneers  United States   

 ~ Author Gerald N. Lund

46.  Open the Gate  United States   

 ~ Author Odille Ousley  ~ Illustrator Margo Pisillo

47.  Open Throttle: Stories of Railroads and Railroad Men  United States   

 ~ Author Phyllis R. Fenner  ~ Illustrator Charles H. Geer

48.  Opening the Seven Seals  United States   

 ~ Author Richard D. Draper

49.  Operation Mincemeat  England   

 ~ Author Ben Macintyre

50.  Oscar Otter   

 ~ Author Nathaniel Benchley  ~ Illustrator Arnold Lobel

51.  Oscar, Cat-About-Town  England   

 ~ Author James Herriott  ~ Illustrator Ruth Brown

52.  Other Brother   

 ~ Author Laura Nelson Baker  ~ Illustrator Norah Montgomerie

53.  Otto of the Silver Hand  Germany   

 ~ Author Howard Pyle

54.  Our Animal Friends at Maple Hill Farm  United States     

 ~ Author Alice and Martin Provensen

55.  Our Country's Story  United States   

 ~ Author Frances Cavanah  ~ Illustrator Janice Holland

56.  Our Country, Right or Wrong: The Life of Stephen Decatur  United States   

 ~ Author Leonard F. Guttridge

57.  Our First Civil War: Patriots and Loyalists  United States   

 ~ Author H. W. Brands

58.  Our Glad  England   

 ~ Author Joyce Warren  ~ Illustrator Paul Galdone

59.  Our Independence and the Constitution (#5)  United States   

 ~ Author Dorothy Canfield Fisher  ~ Illustrator Robert Doremus

60.  Our Little Finnish Cousin  Finland   

 ~ Author Clara Vostrovsky Winlow  ~ Illustrator Harriet O'Brien

61.  Our Little Friends of the Arabian Desert  Saudi Arabia   

 ~ Author Frances Carpenter  ~ Illustrator Curtiss Sprague

62.  Our Lord of the Gospels  Israel   

 ~ Author J. Reuben Clark Jr.

63.  Our National Parks  United States   

 ~ Author Reader's Digest

64.  Our Story Book  United States   

65.  Our Utah Pioneers  United States   

 ~ Author Mabel Harmer

66.  Out of Jerusalem Series  Israel   

 ~ Author Heather B. Moore

67.  Out of the Nursery, into the Night   

 ~ Author Kathleen Hague  ~ Illustrator Michael Hague

68.  Out to Old Aunt Mary's  United States   

 ~ Author James Whitcomb Riley  ~ Illustrator Howard Chandler Christy

69.  Outcast  England   

 ~ Author Rosemary Sutcliffe  ~ Illustrator Richard Kennedy

70.  Outdoor Furniture  United States   

 ~ Author Pierre Douglas

71.  Outlander {#1}  Scotland   

 ~ Author Diana Gabaldon

72.  Outlaw Red: Son of Big Red {#3}  United States   

 ~ Author Jim Kjelgaard

73.  Over And Over  United States   

 ~ Author Charlotte Zolotow  ~ Illustrator Garth Williams

74.  Over in the Meadow   

 ~ Author John Langstaff  ~ Illustrator Feodor Rojankovsky

75.  Over Sea, Under Stone  England     

 ~ Author Susan Cooper  ~ Illustrator Alan Cober

76.  Over the Gate {FA #5}  England     

 ~ Author Dora Jessie Saint (Miss Read)  ~ Illustrator John Strickland (J.S.) Goodall

77.  Over the Hills and Far Away  England   

 ~ Author Chris Conover

78.  Owl at Home   

 ~ Author Arnold Lobel

79.  Owlglass   

 ~ Author Will Nickless

80.  Ox-Cart Man  United States   

 ~ Author Donald Hall   ~ Illustrator Barbara Cooney