Laura Lee Hope

Bobbsey Twins
   1. The Bobbsey Twins (1904)
     aka The Bobbsey Twins of Lakeport
   2. The Bobbsey Twins in the Country (1907)
     aka Adventure in the Country
   3. The Bobbsey Twins At the Seashore (1907)
     aka The Secret at the Seashore
   4. The Bobbsey Twins At School (1913)
     aka Mystery at School
   5. The Bobbsey Twins At Snow Lodge (1913)
     aka The Mystery at SnowLodge
   6. The Bobbsey Twins On a Houseboat (1915)
   7. The Bobbsey Twins At Meadow Brook (1915)
     aka Mystery at Meadowbrook
   8. The Bobbsey Twins At Home (1916)
     aka Big Adventure at Home
   9. The Bobbsey Twins in a Great City (1917)
     aka Search in the Great City
   10. The Bobbsey Twins On Blueberry Island (1917)
   11. The Bobbsey Twins On the Deep Blue Sea (1918)
     aka Mystery on the Deep Blue Sea
   12. The Bobbsey Twins in Washington (1919)
     aka Adventure in Washington
   13. The Bobbsey Twins in the Great West (1920)
     aka Visit to the Great West
   14. The Bobbsey Twins At Cedar Camp (1921)
     aka The Cedar Camp Mystery
   15. The Bobbsey Twins At the County Fair (1922)
     aka The County Fair Mystery
   16. The Bobbsey Twins Camping Out (1923)
   17. The Bobbsey Twins and Baby May (1924)
     aka Adventures With Baby May
   18. The Bobbsey Twins Keeping House (1925)
     aka The Play House Secret
   19. The Bobbsey Twins at Cloverbank (1926)
     aka The Four-Leaf Clover Mystery
   20. The Bobbsey Twins at Cherry Corners (1927)
     aka The Mystery at Cherry Corners
   21. The Bobbsey Twins and their Schoolmates (1928)
   22. The Bobbsey Twins Treasure Hunting (1929)
   23. The Bobbsey Twins at Spruce Lake (1930)
   24. The Bobbsey Twins' Wonderful Winter Secret (1931)
   25. The Bobbsey Twins at the Circus (1932)
     aka The Circus Surprise
   26. The Bobbsey Twins on an Airplane Trip (1933)
   27. The Bobbsey Twins Solve a Mystery (1933)
   28. The Bobbsey Twins on a Ranch (1935)
   29. The Bobbsey Twins in Eskimo Land (1937)
   30. The Bobbsey Twins in a Radio Play (1937)
   31. The Bobbsey Twins at Windmill Cottage (1938)
   32. The Bobbsey Twins at Lighthouse Point (1939)
   33. The Bobbsey Twins at Indian Hollow (1940)
   34. The Bobbsey Twins at the Ice Carnival (1941)
   35. The Bobbsey Twins in the Land of Cotton (1942)
   36. The Bobbsey Twins in Echo Valley (1943)
   37. The Bobbsey Twins on the Pony Trail (1944)
   38. The Bobbsey Twins at Mystery Mansion (1945)
   39. The Bobbsey Twins at Sugar Maple Hill (1946)
   40. The Bobbsey Twins in Mexico (1947)
   41. The Bobbsey Twins' Toy Shop (1948)
   42. The Bobbsey Twins in Tulip Land (1949)
   43. The Bobbsey Twins in Rainbow Valley (1950)
   44. The Bobbsey Twins' Own Little Railroad (1951)
   45. The Bobbsey Twins at Whitesail Harbor (1952)
   46. The Bobbsey Twins and the Horseshoe Riddle (1953)
   47. The Bobbsey Twins at Big Bear Pond (1953)
   48. The Bobbsey Twins on a Bicycle Trip (1954)
   49. The Bobbsey Twins' Own Little Ferryboat (1956)
   50. The Bobbsey Twins at Pilgrim Rock (1956)
   51. The Bobbsey Twins' Forest Adventure (1957)
   52. The Bobbsey Twins at London Tower (1959)
   53. The Bobbsey Twins in the Mystery Cave (1960)
   54. The Bobbsey Twins in Volcano Land (1961)
   55. The Goldfish Mystery (1962)
   56. The Big River Mystery (1963)
   57. The Greek Hat Mystery (1964)
   58. The Search for the Green Rooster (1965)
   59. Their Camel Adventure (1966)
   60. Mystery of the King's Puppet (1967)
   61. The Secret of Candy Castle (1968)
   62. The Doodlebug Mystery (1969)
   63. The Talking Fox Mystery (1970)
   64. The Red, White and Blue Mystery (1971)
   65. Dr. Funnybone's Secret (1972)
   66. The Tag-along Giraffe (1973)
   67. The Flying Clown (1974)
   68. The Bobbsey Twins on the Sun-Moon Cruise (1975)
   69. The Freedom Bell Mystery (1976)
   70. The Smokey Mountain Mystery (1976)
   71. The Bobbsey Twins in a TV Mystery Show (1978)
   72. The Coral Turtle Mystery (1979)

Outdoor Girls
   1. The Outdoor Girls Of Deepdale (1913)
   2. At Rainbow Lake (1913)
   3. In a Motor Car (1913)
   4. In a Winter Camp (1913)
   5. In Florida (1913)
   6. At Ocean View (1915)
   7. On Pine Island (1916)
   8. In Army Service (1918)
   9. At the Hostess House (1919)
   10. At Bluff Point (1920)
   11. At Wild Rose Lodge (1921)
   12. In the Saddle (1922)
   13. Around the Campfire (1923)
   14. On Cape Cod (1924)
   15. At Foaming Falls (1925)
   16. Along the Coast (1926)
   17. At Spring Hill Farm (1927)
   18. At New Moon Ranch (1928)
   19. On a Hike (1929)
   20. On a Canoe Trip (1930)
   21. At Cedar Ridge (1931)
   22. In the Air (1932)
   23. In Desert Valley (1933)

Moving Picture Girls
   1. The Moving Picture Girls (1914)
   2. At Oak Farm (1914)
   3. Snowbound (1914)
   4. Under the Palms (1914)
   5. At Rocky Ranch (1914)
   6. At Sea (1915)
   7. In War Plays (1916)

Bunny Brown and His Sister Sue
   1. Bunny Brown and His Sister Sue (1916)
   2. On Grandpa's Farm (1916)
   3. Playing Circus (1916)
   4. At Camp Rest-a-while (1916)
   5. At Aunt Lu's City Home (1916)
   6. In the Big Woods (1916)
   7. On an Auto Tour (1917)
   8. And Their Shetland Pony (1917)
   9. Giving a Show (1919)
   10. At Christmas Tree Cove (1919)
   11. In the Sunny South (1921)
   12. Keeping Store (1922)

Six Little Bunkers
   1. At Grandma Bell's (1918)
   2. At Aunt Jo's (1918)
   3. At Cousin Tom's (1918)
   4. At Grandpa Ford's (1918)
   5. At Uncle Fred's (1918)
   6. At Captain Ben's (1920)
   7. At Cowboy Jack's (1921)
   8. At Mammy June's (1922)

Make Believe Stories
   1. The Story of a Sawdust Doll (1920)
   2. The Story of a White Rocking Horse (1920)
   3. The Story of a Lamb On Wheels (1920)
   4. The Story of a Bold Tin Soldier (1920)
   5. The Story of a Candy Rabbit (1920)
   6. The Story of a Monkey on a Stick (1920)
   7. The Story of a Calico Clown (1920)
   8. The Story of a Nodding Donkey (1921)
   9. The Story of a China Cat (1921)
   10. The Story of a Plush Bear (1921)
   11. The Story of a Stuffed Elephant (1922)
   12. The Story of a Woolly Dog (1923)

Blythe Girls
   1. Helen, Margy and Rose (1925)
   2. Margy's Queer Inheritance (1925)
   3. Rose's Great Problem (1925)
   4. Helen's Strange Boarder (1925)
   5. Three on a Vacation (1925)
   6. Margy's Secret Mission (1926)
   7. Rose's Odd Discovery (1927)
   8. The Disappearance of Helen (1928)
   9. Snowbound in Camp (1929)
   10. Margy's Mysterious Visitor (1930)
   11. Rose's Hidden Talent (1931)
   12. Helen's Wonderful Mistake (1932)

Bobbsey Twins (Second)
   1. The Blue Poodle Mystery (1980)
   2. Secret in the Pirates' Cave (1980)
   3. The Dune Buggy Mystery (1981)
   4. The Missing Pony Mystery (1981)
   5. The Rose Parade Mystery (1981)
   6. The Camp Fire Mystery (1982)
   7. Double Trouble (1983)
   8. Mystery of the Laughing Dinosaur (1983)
   9. The Music Box Mystery (1983)
   10. The Ghost in the Computer (1984)
   11. The Scarecrow Mystery (1984)
   12. The Haunted House Mystery (1985)
   13. The Mystery of the Hindu Temple (1985)
   14. The Grinning Gargoyle Mystery (1986)

New Bobbsey Twins
   1. The Secret of Jungle Park (1987)
   2. The Case of the Runaway Money (1987)
   3. The Clue That Flew Away (1987)
   4. The Secret in the Sand Castle (1988)
   5. The Case of the Close Encounter (1988)
   6. Mystery on the Mississippi (1988)
   7. Trouble in Toyland (1988)
   8. The Secret of the Stolen Puppies (1988)
   9. The Clue in the Classroom (1988)
   10. The Chocolate-Covered Clue (1989)
   11. The Case of the Crooked Contest (1989)
   12. The Secret of the Sunken Treasure (1989)
   13. The Case of the Crying Clown (1989)
   14. The Mystery of the Missing Mummy (1989)
   15. The Secret of the Stolen Clue (1989)
   16. The Case of the Disappearing Dinosaur (1990)
   17. The Case of the Creepy Castle (1990)
   18. The Secret at Sleepaway Camp (1990)
   19. The Show-and-Tell Mystery (1990)
   20. The Weird Science Mystery (1990)
   21. The Great Skate Mystery (1990)
   22. The Super-Duper Cookie Caper (1991)
   23. The Monster Mouse Mystery (1991)
   24. The Case of the Goofy Game Show (1991)
   25. The Case of the Crazy Collections (1991)
   26. The Clue at Casper Creek (1991)
   27. The Big Pig Puzzle (1991)
   28. The Case of the Vanishing Video (1992)
   29. The Case of the Tricky Trickster (1992)
   30. The Mystery of the Mixed-Up Mail (1992)