Who are the Curlytops? Why, Teddy and Janet Martin, of course! These children had the curliest curly hair that ever grew. William Martin, their little brother, didn't have curly hair. William's nickname was "Trouble." You'll see why when you read this book. The train puffed all the way to Rockville. "All out for Rockville!" joked Daddy Martin. "Hurray!" cried Teddy. "Here we are!" "And I see Uncle Frank!" exclaimed Janet. Out piled the Curlytops, and into the arms of Uncle Frank they rushed. "Well, well!" cried Uncle Frank, "Pile into the wagon and well get right out to Circle O Ranch." "Where's that?" asked Teddy. "Why, that's the name of my ranch," said Uncle Frank. "See, there's the sign of it," and he pointed to the flank of one of the small horses, or ponies, hitched to his wagon.