Readers on Amazon consider it readable at 6 - 7 Grade Level.
A popular method used by schools to measure a student reader’s ability is Lexile level or a Lexile Measure. The Lexile Level of Bone Vol. 6: Old Man's Cave is GN430L .
Readers of age 8 - 12 years will enjoy Bone Vol. 6: Old Man's Cave.
Jeff Smith's New York Times and USA Today bestselling, award-winning BONE books are one of the most popular graphic novel series of all time!The Bone cousins are in the thick of it as the showdown between the Hooded One and the people of the Valley begins. Thorn and Phoney Bone seem to be at the center of the maelstrom. Will they survive the Hooded One’s sacrificial ceremony by the light of the moon? Read more