"I help when Mr. Blipper isn't here. I take up the tickets after she starts. Have you got your tickets?"
"Yes, daddy bought them. My little brother and sister want to ride on lions."
"There's a pair right behind you," said Bob Guess.
Nan turned and saw her father just finishing the strapping up of Flossie and Freddie each on a big wooden lion. The small twins were smiling with delight.
"Gid-dap!" called Flossie to her lion.
"You shouldn't say 'gid-dap' to a lion," objected Freddie.
"What should you say?" asked Flossie, turning to look at her brother.
"You ought to say—now—er—'Scat!'"
"That's what you say to a cat!" declared Flossie.
"Well, then say 'Boo!' I guess that's what you say to a lion," went on Freddie. "Say 'Boo!'"