The Adventure of the Priory School

In The Adventure of the Priory School, Sherlock Holmes is drawn into a mysterious case involving the sudden disappearance of a young pupil, Lord Saltire, from Priory School in Northern England. The school’s founder and principal, Dr. Huxtable, seeks Holmes's help after the boy, along with a German teacher and the teacher's bicycle, mysteriously vanish. This story is part of the collection The Return of Sherlock Holmes and is one of Doyle's favorites among his Holmes tales.