This site gives support to local authors and leans towards the speculative fiction genre.
Red Rising: Red Rising Series 1, by Pierce Brown
The Lost Man, by Jane Harper
The Lascar's Dagger by Glenda Larke
Boy Swallows Universe by Trent Dalton
Although the title is over the top, this is a great Australian book.
Nightfall (Clemhorn) by Andrew J Harvey
Nightfall (Clemhorn) has not just one world to explore but fifty-four parallel Earths.