The story of Betsy and Tacy who develop such a close friendship that they become known by everyone as Betsy-Tacy.

The further adventures of 12-year-old Betsy, Tacy, and Tib as they explore the world beyond their neighborhood and discover the public library, s

After Tacy Kelly moves into the house across the street from Betsy Ray, the five-year-olds become inseparable friends.

After Tib Muller moves into the town where Betsy Ray and Tacy Kelly live, the eight-year-olds never quarrel, even when learning to fly--from the