Originally Posted by wallcraft
TrueType fonts can (always?) render whatever size you want. The trick here is for the Cybook to select 24pt but actually get back 48pt. There are lots of reasons why this might not work, but perhaps there is a way to make it happen.
In the font header (which you should be able to edit with any font editor) there's a value which defines the mapping from points to pixels. If you increase that value (so you get more pixels per point) you'll get bigger characters for a given point size.