Does anyone know where I can find the eng translation of the original novel by Miyuki Miyabe? pls and thanks

It's called Puppet Master in English and the electronic version is available on various online bookstores (Amazon, Google Books, etc).

Puppet Master Series | https://www.goodreads.com/series/143029-puppet-master

The English edition of Puppet Master (original title: 模倣犯 Mohohan) is available in e-book format in five separate volumes, released from December 2014 through June 2016.

The English edition:
Vol.1 was released in December 2014.
Vol.2 was released in May 2015.
Vol.3 was released in December 2015.
Vol.4 and Vol.5 were released in June 2016.