The stuff in the "** Piano Collections" books tends to be high quality. (e.g. "FFVII Piano Collections, Kingdom Hearts Piano Collections, etc). Sample (Disclaimer: my performance.) I have never been disappointed with anything I've found in these books.
For Zelda, you have Symphony of the Goddess (Amazon link). I don't super love the arrangement personally, but it's clear they tried. I wouldn't say that any of your complaints apply to it.
That's awesome - best of luck!
That's the Symphony of the Goddesses piano solos book - same idea as the HK book, but based on the SotG scores rather than the in-game OST. If you're interested, make sure to give the pieces a listen before you buy it, to make sure you like the arrangements - they're generally aligned with the original game soundtracks, but they're definitely catered to the SotG concert programs. I got the book off Amazon after seeing them:
https://www.amazon.com/Legend-Zelda-Symphony-Goddesses-Piano/dp/1470626292