Harper8 books in series
Harper and the Scarlet Umbrella Publisher's Summary
Harper lives in the City of Clouds with her Great Aunt Sassy and her beloved cat, Midnight. When Midnight goes missing - together with all the cats of the neighbourhood - Harper realises that only her magical scarlet umbrella can help her find him. When Harper steps out with the umbrella in her hand, she is carried up into the sky on a series of amazing adventures. And Midnight isn’t all she finds when she stumbles upon the Midnight Orchestra and its wild conductor!