Tate Brombal & James Tynion IV 
House of Slaughter #13 [PDF ebook] 

As Jace wanders the streets of New Orleans, his mind drifts between his youth and the present, bringing light to his and Jolie’s past, and revealing that she’s not all that she seems… Meanwhile, a mysterious message carried by a crow holds the key to Jace saving his child. But right now, Sunny is alone, and unprotected from what prowls in the dark