His Temporary Family by Julie Brookman

A short-term arrangement...might change everything.

Sam Tiernan is convinced his bachelor ways make him a better firefighter. Then his theory is put to the test when a family tragedy leaves him caring for his two nieces. With help from social worker Fiona Shay, Sam sees the life he’s been missing out on. And as he and Fiona grow closer, there’s a chance their temporary family could turn into something more permanent...