 First edition cover | |
| Author | Earl Derr Biggers |
|---|---|
| Language | English |
| Series | Charlie Chan |
| Genre | Mystery, Novels |
| Publisher | Bobbs-Merrill |
Publication date | 1932 |
| Publication place | United States |
| Media type | Print (hardback & paperback) |
| Preceded by | Charlie Chan Carries On |
Keeper of the Keys (1932) is the sixth and last mystery in the Charlie Chan series of Earl Derr Biggers; Biggers was planning on continuing the series, but died in 1933 before he could. The films continued the series for him.