Choosing Font Sizes to use in the eBook Composer in relation to page width and height
	Set A4 Page  Top Margin = 2cm
	Set the text alignment to "Justified"
	After choosing a font and size to use, set the left & right margins and bottom margin to the values shown
	Check you monitor resolution - average is 28 pixels per cm so a line of text 21cm wide = 588 pixels = A4 Page Width
	These settings will result in pages that have 25 lines per page & 65 Characters per line max.
	Font and Size	Set These - Equal	Set This	Resulting Text	Set This Text Width
		Left & Right Margins	Bottom Margin	Width in cm	In Pixels in eBc
	Times Roman 10	4.75	17.43	11.5	322
	Times Roman 11	4.185	16.48	12.63	354
	Times Roman 12	4.8	15.53	11.4	320
	Times Roman 14	2.41	13.31	16.18	454
	Arial 10	3.55	17.43	13.9	390
	Arial 11	3.48	16.16	14.04	394
	Arial 12	2.825	15.21	15.35	430
	Arial 14	1.48	13.31	18.04	506
	Book Antiqua 10	4.7	16.48	11.6	325
	Book Antiqua 11	4.15	15.53	12.7	356
	Book Antiqua 12	3.55	14.26	13.9	390
	Book Antiqua 14	2.405	12.04	16.19	454
	Courier New 10	3.52	17.43	13.96	391
	Courier New 11	2.87	16.48	15.26	428
	Courier New 12	2.2	15.53	16.6	465
	Courier New 14	0.81	13.63	19.38	543