https://sinixt.org/ Sinixt Website.
KCR Sinixt Stories Series (great series from Kootenay Coop Radio via Catherine Fisher)
Keeping the Sinixt Way: 2nd Edition (also found in town at Otter Books and other retailers)
Sinixt Counter Map (also found in town at Otter Books)
Sinixt in the Slocan: The Last 3,000 years (if you are interested in this book but can't find it in town, let me know, and I can acquire it for you).