[Answer] In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?

Step 1 : Introduction to the question "In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?"

...Arthur Conan Doyle first introduced Sherlock Holmes in the 1887 novel A Study in Scarlet. The story also marks the first appearance of Dr. John Watson, Holmes’s trusted friend, and narrator, whose perspective helps ground Holmes’s brilliant but often unconventional methods. Initially published in Beeton’s Christmas Annual, the novel lays the foundation for Holmes’s famous deductive reasoning, keen observation skills, and forensic approach to solving crimes. It also introduces many of the core elements that would define the series.

[Answer] In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?

Step 1 : Introduction to the question "In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?"

...Arthur Conan Doyle first introduced Sherlock Holmes in the 1887 novel A Study in Scarlet. The story also marks the first appearance of Dr. John Watson, Holmes’s trusted friend, and narrator, whose perspective helps ground Holmes’s brilliant but often unconventional methods. Initially published in Beeton’s Christmas Annual, the novel lays the foundation for Holmes’s famous deductive reasoning, keen observation skills, and forensic approach to solving crimes. It also introduces many of the core elements that would define the series.

[Answer] In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?

Step 1 : Introduction to the question "In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?"

...Arthur Conan Doyle first introduced Sherlock Holmes in the 1887 novel A Study in Scarlet. The story also marks the first appearance of Dr. John Watson, Holmes’s trusted friend, and narrator, whose perspective helps ground Holmes’s brilliant but often unconventional methods. Initially published in Beeton’s Christmas Annual, the novel lays the foundation for Holmes’s famous deductive reasoning, keen observation skills, and forensic approach to solving crimes. It also introduces many of the core elements that would define the series.

[Answer] In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?

Step 1 : Introduction to the question "In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?"

...Arthur Conan Doyle first introduced Sherlock Holmes in the 1887 novel A Study in Scarlet. The story also marks the first appearance of Dr. John Watson, Holmes’s trusted friend, and narrator, whose perspective helps ground Holmes’s brilliant but often unconventional methods. Initially published in Beeton’s Christmas Annual, the novel lays the foundation for Holmes’s famous deductive reasoning, keen observation skills, and forensic approach to solving crimes. It also introduces many of the core elements that would define the series.

[Answer] In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?

Step 1 : Introduction to the question "In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?"

...Arthur Conan Doyle first introduced Sherlock Holmes in the 1887 novel A Study in Scarlet. The story also marks the first appearance of Dr. John Watson, Holmes’s trusted friend, and narrator, whose perspective helps ground Holmes’s brilliant but often unconventional methods. Initially published in Beeton’s Christmas Annual, the novel lays the foundation for Holmes’s famous deductive reasoning, keen observation skills, and forensic approach to solving crimes. It also introduces many of the core elements that would define the series.

[Answer] In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?

Step 1 : Introduction to the question "In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?"

...Arthur Conan Doyle first introduced Sherlock Holmes in the 1887 novel A Study in Scarlet. The story also marks the first appearance of Dr. John Watson, Holmes’s trusted friend, and narrator, whose perspective helps ground Holmes’s brilliant but often unconventional methods. Initially published in Beeton’s Christmas Annual, the novel lays the foundation for Holmes’s famous deductive reasoning, keen observation skills, and forensic approach to solving crimes. It also introduces many of the core elements that would define the series.

[Answer] In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?

Step 1 : Introduction to the question "In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?"

...Arthur Conan Doyle first introduced Sherlock Holmes in the 1887 novel A Study in Scarlet. The story also marks the first appearance of Dr. John Watson, Holmes’s trusted friend, and narrator, whose perspective helps ground Holmes’s brilliant but often unconventional methods. Initially published in Beeton’s Christmas Annual, the novel lays the foundation for Holmes’s famous deductive reasoning, keen observation skills, and forensic approach to solving crimes. It also introduces many of the core elements that would define the series.