Arthur Conan Doyle
The Red-headed League
- Series: Helbling Readers Red Series, Helbling Readers Red Series Classics
- Series Level: Level 2
- Adapter: Maria Cleary
- Illustrator: Giulia Sagramola
- School Type: Lower Secondary
- Language Level: CEFR A1/A2
- Components: Reader, Media App, e-zone resources
- Details: 76 pages, Softcover, 148 x 210 x 5.2 mm
- ISBN: 978-3-99089-145-2
