The Mysterious Key and What It Opened : Mint Editions : 9781513280080 : 1513280082 : 10 Jun 2021 : ?As a child, my hero was Jo March [?] But as an adult, it's Louisa May Alcott.? ?Greta Gerwig The Mysterious Key and What It Opened (1867) is a novella by American author, feminist, and abolitionist Louisa May Alcott. Although less popular than her famed ?March Family Saga,? the novella showcases Alcott's gift for storytelling and deep concern for children who have suffered. The Mysterious Key and What It Opened is a hidden gem, a work of mystery that explores themes of family, death, and perseverance. Lillian Trevlyn was yet to be born when her father passed away under unknown circumstances. Not much is certain about Sir Richard Trevlyn's death beyond her mother's fragmented account. Curious about her husband's unknown visitor, Alice?pregnant with Lillian at the time?listens through the keyhole to the conversation going on inside the library. Horrified by what she hears, Alice faints,