The sequence of Sherlock Holmes's investigations:

1. "A Study in Scarlet"

Published in November 1887

"A Study in Scarlet" "A Study in Words" is a novella written by British mystery novelist Arthur Conan Doyle in 1887. It is also his first work to feature Sherlock Holmes as the protagonist.

2. "The Four Signatures"

Published in February 1890

"The Four Signatures" (also known as "The Four Signatures") is a British novel The second mystery novella written by detective novelist Arthur Conan Doyle, still featuring Sherlock Holmes as the protagonist, published in February 1890.

3. "A Scandal in Bohemia"

Publication date-July 1891

Published in "Seaside Magazine" and continued for six more Short projects: "The Red-Haired Club", "Passionate Women", "Tragedy by the Lake", "Five Oranges", "The Man with Crooked Lips".

4. "A History of Adventure"

Published in 1982

This book contains the acclaimed "A Scandal in Bohemia" among Sherlock Holmes detective stories "The Red-Headed Society" "The Identity Case" "The Mystery of Boscombe Glen" "The Five Orange Seeds" "The Case of the Man with the Crooked Lip" "The Case of the Sapphire" "The Curious Case of the Spotted Belt" "The Case of the Engineer's Thumb" " "The Single Noble Case", "The Emerald Crown Case" and "The Purple Beech Case".

5. "Memoirs"

Published in 1894

Starting with "Silver Horse", twelve more stories were released. At this time, the author I planned to end this story and wrote the final chapter "The Final Case". Holmes' death caused strong dissatisfaction among readers and even personal attacks on the author.

6. "The Hound of the Baskervilles"

Published in 1902

The book "The Hound of the Baskervilles" tells the story of a Baskerville family. According to the horrific legend, one of his ancestors was bitten to death by a huge vicious dog because of his bad behavior. Now Sir Baskerville died mysteriously. According to Holmes' investigation, he died of excessive fright. After his heirs came here to inherit the property, they also encountered a series of horrific incidents related to vicious dogs.

7. "The Return"

Published in 1903

In 1903, starting with "The Empty House", the author cleverly allowed Holmes to die. Escape begins another set of stories.

8. "Uncanny Valley"

Published in 1915

"Uncanny Valley" is his fourth novel, completed in 1915.

9. "Last Regards"

Published in 1917

"Last Regards" compiled in 1917 contains 8 short stories. Due to the full integration of the story background It revealed the political and economic situation at that time, and caused a sensation after it was released. Many people even thought that it was really true.

10. "New Detective"

Published in 1927

"New Detective" published in 1927 was his last work in his later years. ***12 short stories.

Extended information:

"The Complete Works of Sherlock Holmes" is a collection of novels created by British writer Arthur Conan Doyle. The protagonist is named Sherlock Holmes (also translated as Sherlock Holmes). Sherlock Holmes), has 4 novels and 56 short stories. The first novel, A Study in Scarlet, was completed in 1886 and was published together with other works in the Beeton Christmas Annual the following year. It has been adapted into movies and TV series many times.

Doyle himself narrated in "The Truth About Sherlock Holmes" (The Truth About Sherlock Holmes), which was based on his medical school tutor Dr. Bell (which is usually translated as Professor Bell in China). However, Bell himself doesn't seem to like this statement. Some people feel that this is Doyle misleading readers at the request of the real prototype.

Reference: Baidu Encyclopedia-Sherlock Holmes