books on NFS..

Hello all,

I am trying to find some recent books related to NFS, i understand its relatively old technology but have not seen any books on it recently, the few i found were published back in 2000, that 16 years old...

https://smile.amazon.com/NFS-Illustrated-Brent-Callaghan/dp/0201325705?sa-no-redirect=1

https://smile.amazon.com/gp/product/1565925106/ref=pd_cp_0_1?ie=UTF8&psc=1&refRID=RHMFHMX9ZAZJRPCMQ5C3

any links or books pointing to newer NFS books would be appreciated...