Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
3.7
Points
2.0
Fiction/Nonfiction
Fiction
Word Count
12132
Points per Word
0.000165
Description
Andy and Terry have added thirteen new levels and built their biggest and most astonishing treehouse yet! It has everything they – and you – could wish for. There's also a hall of funhouse mirrors, and their opposites are trying to get out. Book #13