The Enchanted Cello Case

Nine year old Ruby and her ten year old brother, Henry are having the worst summer of their life until a curious stranger with a cello case rents a room in their home. Then Henry and Ruby find a mysterious paw print in a nearby park and soon they are engaged in a life and death struggle to defeat three witches with a dastardly plan. 100%% of profits from the sale of this book are donated to the International Rescue Committee.