were two sets. Bert and Nan, age eight, and Freddie and Flossie, age four.
Nan was a tall and slender girl, with a dark face and red cheeks. Her eyes were a deep brown and so were the curls that clustered around her head.
Bert was indeed a twin, not only because he was the same age as Nan, but because he looked so very much like her. To be sure, he looked like a boy, while she looked like a girl, but he had the same dark complexion, the same brown eyes and hair, and his voice was very much the same, only stronger.
Freddie and Flossie were just the opposite of their larger brother and sister. Each was short and stout, with a fair, round face, light-blue eyes and fluffy golden hair. Sometimes Papa Bobbsey called Flossie his little Fat Fairy, which always made her laugh. But Freddie didn't want to be called a fairy, so his papa called him the Fat Fireman, which pleased him very much, and made him rush around the house shouting: "Fire! fire! Clear the track for Number Two! Play away, boys, play away!" in a manner that seemed very life--