Different codes and ciphers, credits to where I've got those- probably from Google or people I know.

Yes, Mind Palaces are real things. They are a memory tactic also known as the Loci Theory. If you would like to create your own mind palace, I have written all of my steps inside. Remember, it is not easy.

#Detective

The Sign of the Four - Plot summary. The Sign of the Four is the second of Arthur Conan Doyle's Sherlock Holmes novels. In it the detective and his companion Dr Watson unravel a mystery of hidden treasure and murder. ... Holmes takes on her case and the adventure begins.

The Adventures of Sherlock Holmes is a collection of twelve stories written by Arthur Conan Doyle featuring his famous detective.

Original work of Arthur Conan Doyle

Miss Mary Morstan arrives at 221B, Baker Street to request help with the mystery of her missing father, her anonymous gifts of pearls and a letter requesting her to meet an unknown person that evening. First published in the Lippincott�s Magazine, Philadelphia and London, in February 1890. First book edition by S. Blackett in Oct. 1890

Only four people know of the true state Sherlock Holmes was in just before he met John Watson. The darkness, the drugs, the voices, her. You could argue that her death triggered it. Now that John has left Sherlock to live with his wife it is inevitable that Sherlock will go back to how he was. Until somebody knocks on his door. He wasn't the only one to fake his death. (Set in between TSoT and HLV)

Sarah Cook- a normal girl who happens to be somewhat of a closet genius. What would happen if she stepped into a not-so-normal world? This is exactly what happens when she decides to make one of the biggest decisions of her life and move to London. Here she encounters someone who will change her life forever. Sherlock Holmes- Consulting detective, sociopath; not psychopath, show off, and renowned genius. What would happen if he fell in love? Fat chance, right? Not necessarily. When Sherlock meets Sarah she takes him on the case of a lifetime as he, John and their new found friend, Sarah, unearth dark parts of her past that she had only seen the surface of. Based around the events of the BBC show Sherlock.