16 - A Forest Walk.  
This book tells the story of Hester Prynne, a young woman who conceives a child while her husband is missing at sea. The Puritan Elders of the New England settlement of Boston, where she lives, condemn her to wear a scarlet letter A to signify her adultery. She refuses to name her lover, and he too keeps his silence, but with a terrible cost.  
The tale is prefaced with an account of the Salem Custom-house where Nathaniel Hawthorne was working when he began writing The Scarlet Letter.