"Gustav and Fernie's adventures in the Dark Country continue as they search for their families. But as they get closer to discovering their families' fates, their mission is once again threatened by old foes--as well as some new, even more treacherous, ones. Will Gustav and Fernie be able to battle their way through and rescue their families before it's too late?" --
- ISBN13 9780448464589
- Publish Date 11 August 2015
- Publish Status Out of Stock
- Out of Print 24 June 2021
- Publish Country US
- Publisher Penguin Putnam Inc
- Imprint Grosset & Dunlap Inc.,U.S.
- Format Hardcover
- Pages 248
- Language English