Books in Mr. Magorium's Wonder Emporium series

Enter the magical world of Mr. Magorium's Wonder Emporium!Mr. Magorium's Wonder Emporium is the most unusual toy store ever. Edward Magorium, proprietor and marbles champion is 243 years old and has been inventing toys since the mid-1770's. Now it's time for him to leave and he wants Molly Mahoney to take over the store. But Molly doesn't think she can and the store throws a tantrum and begins to turn gray. With the help of nine-year-old Eric, a counting mutant (otherwise known as an accountant) named Henry, a block of wood and some faith in herself, can Mahoney save the Wonder Emporium? Or does the magic have to depart with Mr. Magorium?