Librivox: Motor Girls on a Tour, The by Penrose, Margaret

Summary: This is the second book in the series of the Motor Girls. Join Cora and her friends in this mystery and adventure of The Motor Girls. Also the search for a missing table and promise book belonging to a cripple girl called Wren. Why is Clip so mysterious? What is she up to? Is Sid Wilcox up to his old tricks with his chum Rob Roland? (Summary by Lucy Burgoyne)