The Mystery at the Moss-Covered Mansion, Nancy Drew Mystery Stories, number 18 in the series. Author: Carolyn Keene. 177 pages. Hardcover. Publisher: Grosset & Dunlap. Copyright 1971 and printed in 2001 in the U.S.A.

Synopsis: In Nancy Drew #18 – The Mystery of the Moss-Covered Mansion (1971 revised edition) by Carolyn Keene, Nancy Drew and her father, Carson Drew, travel to Florida to help clear their friend, Mr. Billington, who has been arrested on charges of sabotage involving a truckload of explosive oranges delivered to the Cape Kennedy Space Center. Convinced that Mr. Billington is innocent, Nancy begins investigating the strange circumstances surrounding the incident, following a trail of clues that leads her to a mysterious, moss-covered mansion.

The eerie estate holds secrets of its own, including a collection of dangerous African wild animals roaming behind a high enclosure. As Nancy, with help from her friends, digs deeper into the mansion's activities, she uncovers evidence of a much larger plot threatening the nation's space program. Facing unexpected dangers and puzzling clues, Nancy must use her courage and detective skills to expose the real culprits, prove Mr. Billington's innocence, and stop a dangerous scheme before it is too late.

Condition: The book is in very good condition. There are some scratches on the bar code on the back cover, and there is a name written on the inside of the front cover. The inside pages, binding and spine are all in excellent condition (see photos).