Great question, I have the answer just for you.
The closest public library in Wetherill Park is our Wetherill Park Library.
Located at Stockland Wetherill Park, 561-583 Polding Street, Wetherill Park NSW 2176.
Please see below link to the web page. This will greatly assist you with your enquiry. On the web page you will also find more local library's.
Hope that was helpful.
Arthur Giannetti, Director/Licensee/Auctioneer/JP - Laing + Simmons Wetherill Park