First published in 1887, A Study in Scarlet introduced to the reading public Sherlock Holmes, the master of science detection, and John H. Watson, the great detective's faithful chronicler. Alma Junior edition contains extra material for young readers and notes.

On his return to London after serving in the Second Anglo-Afghan War as an assistant surgeon, Doctor Watson is looking for a place to live. He is introduced to a certain Mr Holmes, an eccentric, pipe-smoking gentleman who shows an interest in chemistry and is currently engaged in a test to detect human haemoglobin. What begins as a simple house-sharing enquiry soon turns into a fully fledged “study in scarlet”, a case of blood, murder and betrayal that will transport the reader from the streets of London to the early settlements of Salt Lake City in Utah…