The Happy Hollisters and the Castle Rock Mystery

The Happy Hollisters and the Castle Rock Mystery

Author: , Illustrator: Helen S. Hamilton

An abandoned rock quarry, mysterious flying objects, and a valuable deposit of titanium lead the five Hollister children -- Pete, Pam, Ricky, Holly, and Sue -- into their latest thrilling...
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Ages: 8-10
Read time: 3-4 hours
AR LEVEL: 4.2
LEXILE©: 740L
Ages: 8-10
Read time: 3-4 hours

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