Originally Posted by Turt99
Also I did some research and it looks to me that the eReader firmware is applying styles to the <P> tags in ePub, I think this is how it is controlling the font-size and font-family. The reason I think this is the case is when I edit my troublesome ePubs and place the font-size: 1em; line on a class used for a <SPAN> tag within the <P> tags then the scaling works just fine.
Techie, this is what I found regarding the difference in ePubs that work and ones that don't work. Its not something that can be fixed just by changing 1 thing all the time, its more involved since its how the html is structured.