Includes an excerpt from the next book in the series "Unlocking the truth."

While cataloging books at the library, Anne stumbles on an old, yellowed map of Pennsylvania tucked inside the pages of a historical book from Aunt Edie's private collection. On the map are markings that hint at ist use by Lewis and Clark! Such a map was stolen from the now-defunct Blue Hill Historical Society one hunder years ago...could this be it? Meanwhile, Anne's son, Ben, starts disappearing for long periods of time. What secrets is he hiding from his mother?