When 12-year-old Taffy and her mother, Mrs. Saunders, came to Mackinac Island to manage the resort hotel willed to Mrs. Saunders by her aunt, Taffy found it to be a house of many mysteries.
Used availability for Phyllis A Whitney's The Mystery of the Gulls
Hardback Editions
1949 : USA Hardback
Title: The Mystery of the Gulls
Author(s): Phyllis A Whitney
ISBN: 0-664-32049-X / 978-0-664-32049-2 (USA edition)
Publisher: The Westminster Press
Availability: Amazon
Paperback Editions
December 1977 : USA Mass Market Paperback
May 1974 : USA Mass Market Paperback
Title: The Mystery of the Gulls
Author(s): Phyllis A Whitney
ISBN: 0-451-05905-0 / 978-0-451-05905-5 (USA edition)
Publisher: Signet
Availability: Amazon