Does anyone know of a good siddur/prayer book designed for women that is in Yiddish and English?
Here is a link to several nice leather editions of the Siddur Korban Mincha, in Nusach Sefard. They have the complete Hebrew text of the tefillos, plus a Yiddish peirush (translation).
The custom is a chosson gives his kallah a Siddur Korban Mincha as a wedding gift. Much like a "Chosson Shas", it is usually elaborate and expensive, with a leather cover.
(It should be noted editions of the Siddur Korban Mincha have been made in Nusach Ashkenaz, but since nearly all of the world's Yiddish speakers are Chasidic, they almost come exclusively in Nusach Sefard and it's hard to find one in Nusach Ashkenaz. You can find vintage prints out there, though.)