The Diamond of Darkhold
| First published | August 2008 |
|---|---|
| Type | Novel |
| Series | Books of Ember #4 |
Lina and Doon find a fragment of an ancient book describing a machine which might get Sparks through the winter, and return to Ember to find the machine.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 2008 |
|
The Diamond of Darkhold | Random House | Novel | |
| August 2008 |
|
The Diamond of Darkhold | Random House | Novel | |
| September 2008 |
|
The Diamond of Darkhold | Random House | Novel | 1 |
| March 2010 | The Diamond of Darkhold | Turtleback Books | Novel | ||
| April 2010 |
|
The Diamond of Darkhold | Yearling | Novel | |
| May 2016 |
|
The City of Ember Complete Boxed Set | Yearling | Omnibus |