Each story begins: "In an old house in Paris, that was covered with vines, lived twelve little girls in two straight lines... the smallest one was Madeline."
The girls are cared for by a nun, Miss Clavel. Other characters include Pepito, son of the Spanish Ambassador, who lives next door; Lord Covington (called Cucuface by the girls), owner of the house; and Genevieve, a dog who rescues Madeline from drowning in the second book.
Aventura