"A Study in Scarlet" is a gripping detective novel that introduces the brilliant detective Sherlock Holmes and his loyal companion Dr. John Watson. When a mysterious murder takes place in London, Holmes and Watson are called upon to solve the case. As they delve deeper into the investigation, they uncover a complex web of revenge, love, and betrayal that spans across continents and decades. With Holmes' unparalleled deductive skills and Watson's steadfast support, the duo unravels the truth behind the murder and brings the culprits to justice. This thrilling tale not only showcases Holmes' extraordinary abilities but also explores the unique bond between the detective and his trusted friend.

"The Memoirs of Princess Dashkova" is a captivating autobiography that chronicles the remarkable life of a prominent Russian noblewoman. From her privileged upbringing and close relationship with Catherine the Great to her influential role in the Russian Academy of Sciences, Dashkova's memoirs offer a unique perspective on the political and cultural landscape of 18th-century Russia. With wit, intelligence, and a strong sense of self, Dashkova's narrative sheds light on her personal triumphs, challenges, and the turbulent historical events that shaped her life.

This book traces the history of chemistry from the ancient philosophers' wild speculations about the composition of the universe to the creation of the periodic table by Dmitri Mendeleyev. Through a blend of storytelling and science, it explores the development of atomic theory and chemical elements, leading up to Mendeleyev's groundbreaking dream in which he envisioned the periodic table in its modern form. The narrative delves into the lives and discoveries of key figures in the field of chemistry, illustrating how their work contributed to our understanding of the elements that make up the world around us.

The book is a dark and satirical short story presented as a series of diary entries from a low-ranking civil servant who gradually descends into insanity. As he becomes increasingly alienated from society, he develops delusions of grandeur and believes himself to be of noble descent. His madness escalates as he convinces himself that he can understand the conversations of dogs and that he is destined to become the king of Spain. The narrative provides a poignant critique of the bureaucratic world and the protagonist's struggle with his identity and self-importance, reflecting the absurdities and injustices of the society in which he lives.

This book is a seminal Russian work that takes the form of a travelogue, documenting the narrator's observations and reflections as he journeys between two major cities. Along the way, the narrator engages with various individuals from different social classes and discusses the social and political issues of the time, including serfdom, the justice system, and the condition of the peasantry. The work is notable for its critical perspective on the social injustices of 18th-century Russian society and is often regarded as a call for reform and enlightenment, which ultimately led to it being perceived as a threat by the authorities, resulting in the author's exile.

"Conditioned Reflexes" is a groundbreaking work that delves into the study of behaviorism and the concept of classical conditioning. The author, a renowned physiologist, presents his findings on how an organism's responses can be triggered or conditioned by external stimuli, using his famous experiments with dogs as a prime example. The book significantly influenced the field of psychology and laid the foundation for future studies on learning and behavior.