This advanced-level story, by Jack London, was first published in 1903. In it, two competitive scientists take different routes to achieving invisibility, with tragic results. The story is told in five parts; each part contains audio and an accompanying lesson plan written by Daniel Barber, which includes teacher’s notes, student worksheets and a full transcript and glossary. Part 1 is free to all onestopenglish users.

The Shadow and the Flash