"This book was originally published in paperback by Apple Paperbacks in 1986." -- Title page verso. Originally sold as part of a Baby-Sitters Club retro set. This individual item has been separated to circulate individually by the owning library.
Summary:
When Kristy, Claudia, Mary Anne, and Stacey, the members of the Baby-sitters Club, each receive mysterious calls while they are working, they decide to find out who is responsible.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.