BIONICLE: The Secret of Certavus

BIONICLE: The Secret of Certavus is a BIONICLE book released in February 2009. 
== Characters ==
* Gresh
* Berix
* Tarix
* Some Vorox
== External links ==
* The Secret of Certavus on BIONICLEsector01 Wiki
Category:Books published by Scholastic
Category:2009 books
Category:BIONICLE