Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.8
Points
8.0
Fiction/Nonfiction
Fiction
Word Count
47605
Points per Word
0.000168
Description
When some boys dig up an old tree, the Hervoken are awoken. They want to fly their ship out of the town but need the townsfolk's fear to fuel the engine. The Doctor arrives with Martha to help save the town. Book 16 in series.