The fact is, while Kobo and Android e-readers have long given readers a choice of typography — like justification, paragraph spacing,
font weight etc. — Bezos has insisted that Kindle users don't have that privilege.
Not exact matches
In InDesign CS3, a specific
font weight or style (bold, italic, light,
etc.) only survives the export to epub if you create a special character style for it that specifies both the
weight / style and the
font family.
Within a typeface, there are
fonts different in
weights and other variations e.g. bold, italic, semi-bold, heavy
etc..