Creating .ACB (Color Book) file from .ACO (swatches) file

Is there a way to convert a .aco file to a .acb file? I really need my colors to be visible in the Color Libraries section of Photoshop to use with Color Layers.

The .acb files are the files located in \Program Files\Adobe\Adobe Photoshop CS2\Presets\Color Books.

Please let me know if anyone knows how to do that, it would be really helpful!