Analysing the books in the series, we estimate that the reading level of Hardy Boys 45: The Mystery of the Spiral Bridge is 5th and 6th grade. Readers on Amazon consider it readable at 3 - 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 Hardy Boys 45: The Mystery of the Spiral Bridge is 720L .
Readers of age 8 - 12 years will enjoy Hardy Boys 45: The Mystery of the Spiral Bridge .
Readability Test | Reading Level |
---|---|
Flesch Kincaid Scale | Grade 3 |
SMOG Index | Grade 7 |
Coleman Liau Index | Grade 7 |
Dale Chall Readability Score | Grade 7 |
Frank and Joe Hardy are determined to bring to justice the vicious criminals who kidnapped their detective father while he was investigation sabotage of a road-building project in the Kentucky wilderness. After Mr. Hardy’s escape, the two young sleuths are spurred into action when he mumbles the word “Felix” and they discover a dossier of a notorious ex-convict was stolen from his files. The trail leads them to New York City but ends abruptly in a cemetery! With the new clue of a spiral symbol the boys head to Kentucky as part of a highway construction crew to track down the kidnappers and saboteurs. Read more