519 books • 20 series
The Bobbsey Twins at the County Fair
The Outdoor Girls at the Hostess House
The Bobbsey Twins on a House Boat
The Mystery of the Ghost in the Attic (Bobbsey Twins 8x8, #1)
Freddie and Flossie and the Leaf Monster (Bobbsey Twins Ready-To-Read Pre-Level 1) (Bobbsey Twins)
The Bobbsey Twins in a Great City
Freddie and Flossie and the Train Ride (Bobbsey Twins)
Freddie and Flossie at the Beach (Bobbsey Twins)
Freddie and Flossie and Snap (Bobbsey Twins)
Freddie and Flossie
Six Little Bunkers at Grandma Bell's
The Outdoor Girls at the Hostess House; Or, Doing Their Best for the Soldiers
The Bobbsey Twins at Spruce Lake
The Bobbsey Twins at Cherry Corners
The Clue That Flew Away/The Secret in the Sand Castle
Trouble in Toyland/The Secret of the Stolen Puppies
The Case of the Close Encounter/Mystery on the Mississippi
The Secret of Jungle Park/The Case of the Runaway Monkey
Bobbsey Twins 36c Fd W/ Riser (Na)
The Story of Calico Clown
The Outdoor Girls at Wild Rose Lodge; or, the Hermit of Moonlight Falls
The Outdoor Girls at Rainbow Lake; Or, the Stirring Cruise of the Motor Boat Gem
Bobbsey Twins 36c Bulk Pack (Na)
The Bobsey Twins and the Mystery at Snow Lodge (Bobbsey Twins (Grosset & Dunlap Hardcover), #5)