The Bobbsey Twins are the principal characters of what was, for many years, the Stratemeyer Syndicate's longest-running series of children's novels, penned under the pseudonym Laura Lee Hope. The first of 72 books was published in 1904, the last in 1979. The books related the adventures of the children of the middle-class Bobbsey family, which included two sets of fraternal twins: Bert and Nan, who were 12 years old, and Flossie and Freddie, who were six.

“That looks like a challenge, Frank.” “It was well fired, at any rate, Bluff!” “I should say yes, because it knocked my hat clear off my head. Do we stand for that sort of thing, or shall we accept the dare?” “There are half a dozen and more of the enemy against four Outdoor Chums, but what of that? This is the first snow of the fall, with a real tang in the air. Say yes, Frank, and let’s get busy!” “Here are Bluff and Jerry ready to eat up that crowd in a snowball fight. What do you say, Will?” “Oh, count me in, because I can see they’re just spoiling for it!” exclaimed the fourth boy in the party, who did not look quite so hardy as his comrades, although no weakling. “Well, I should thi...

The hearty, all-American Rover Boys sail by yacht to Africa in search of their kidnapped father.