Mort

Mort is a fantasy book by Terry Pratchett. It was published in 1987 and it is the fourth book in the Discworld series. It is the first Discworld book to focus on the character of Death.
Plot.
Mort is a young man who is not well suited to working with his family on their farm. His father takes him to find an apprenticeship and he finds one working for Death, a seven foot tall skeleton who collects the souls of dead people. Death takes Mort to his world where he meets his servant and his daughter.