Way too much code
in the css
Code:
.firstpara { text-indent: 0 }
Now in your book
just ADD firstpara AFTER the calibre10
Code:
<p class="calibre10 firstpara">Ipsum ...</p>
[B]Cascade[/
B], use it or lose it

All yo did was change a single attribute. and tack that OVER the base style