Application file:
From http://macos9lives.com/smforum/index.php?topic=5775.msg43574#msg43574 (OP darthnVader).
This is a Mac OS 9.2.2 boot file (aka Mac OS ROM, type "tbxi") that can be used to boot the iBook G4 series into 9.2.2. This Mac model was never officially capable of this, but of course someone at MacOS9Lives will always find a way. 
Compatibility:
Mac OS 9.2.2 only
Category:
Operating Systems
System:
Mac OS 9
Architecture:
PPC