Prompted by the concerns of a young child, Nancy investigates a small studio on the Chatham estate. She discovers that there is a connection between the mysterious occurrences at Ship Cottage and her search for a treasure island. With only half of a map, Nancy sets out to find the man who possess the rest of the map that will pinpoint the location of buried treasure. Constantly beset by danger and intrigue, Nancy courageously outwits her enemies and...

Sinister happenings at the Green Spring Pony Club's summer camp prompt Nancy to work in disguise as a camp counselor. Is someone trying to hurt the campers - or the camp?

Two wolves have disappeared from WildWolf, the federal wolf preserve outside of town. When the first two days of the Winter Carnival are full of tragic disasters, Nancy wonders if there's a link between the carnival's trouble and the missing wolves.

Trouble plagues a student tour through Europe as Nancy becomes involved in a plot to smuggle refugee children across the Austrian border from Eastern Europe.

At a fitness ranch in Arizona, Nancy discovers the reason for mysterious accidents thought to result from a curse put on the place by Hopi Indians.

When a model disappears, Nancy takes her place in a benefit fashion show and helps to track down a dress thief.