"The Lost Testament" is an exciting detective novel by the great master of the genre, Agatha Christie. The main plot revolves around the mysterious disappearance of an important document that can change the lives of the main characters. Readers, together with the detective, go on an exciting quest in search of the lost covenant, where unpredictable tests and plot twists await at every step. A sharp intriguing plot, intricate intrigues and intricate riddles make this book an exciting read for detective lovers. The Lost Testament is a book that will keep you in suspense until the last page.