Sabrina and Sammy Duncan spend summer vacation in London with their parents. Never in their wildest dreams did they expect to find a magic ring. Their mission: Find the rings master. This leads them into an adventure of a lifetime. Keeping the ring a secret is harder than they expected. Suspicions arise when Charlotte, their housekeeper, starts snooping around and following them. Sabrina and Sammy turn the tables on Charlotte and follow her into town. Sammy disappears and the police get involved. Charlotte and her brother end their criminal past. Will the magic ring find her old master or a new one?
Used availability for Dorothy Daniels's Magic Ring
October 1978 : USA Paperback