World of Difference by WJ Donovan

SPSFC

Science fiction novel set 150 years in the future, Justine O'Rourke is a space engineer working on Io research station when she discovers she is pregnant, she relocates to Ceres for a new life. Her twin brother Davide has been shipped off to Mars to help build a colony as part of a convict work crew. Behind the scenes Bian and Ko Thang are pushing humankind into a new and dark vision of our future.