|The Darkest Hour|
|Publication date:||23 September 2004|
| Preceded by:|
<A Dangerous Path
| Followed by:|
The Darkest Hour is the sixth book in the Original Series. On the cover is Firestar with a lion's reflection in the river. Like in Forest of Secrets, Firestar/Fireheart's eyes are coloured incorrectly, his proper eye colour is green.