Karen Rose 
Count to Ten (The Chicago Series Book 5) 

An out-of-control arsonist seeking revenge. A fireman and a detective on his tail. COUNT TO TEN is a compulsive thriller, part of the Chicago series, by Sunday Times bestseller Karen Rose.

Abandoned years ago to the foster-care system, two young brothers end up in an unimaginable hell and when one dies, the other vows revenge on those responsible.

Chicago Fire department veteran Reed Solliday immediately knows he needs help when an autopsy reveals that a young girl found in the wreckage of an explosion was raped and murdered before fire ripped through the house.

Determined to bury herself in work after her partner is shot, Detective Mia Mitchell understands Solliday”s case will be her most challenging to date. An arsonist who has escalated in this way is rare and they both know time to find him is running out….