The Memoirs of Mary Selwyn or A Lesson in Concealment is a novel written by Charles Brockden Brown. The book follows the story of Mary Selwyn, a young woman who is forced to navigate the complexities of society and the secrets that she must keep hidden. The novel is set in the late 18th century in Philadelphia, and it explores the themes of love, betrayal, and deception.Mary Selwyn is a beautiful and intelligent young woman who is admired by many...