This is a cute snippet from The Dark Artifices book #2 due to release in April 2017. I find it cute because of a certain warlock baby featured.
And even odder, when Mark and Kieran had come into the library, Kieran had gone immediately over to Max and picked him up, delighted by his blue skin and his tiny horns.
Max had stuck his hand into Kieran’s wavy hair and pulled. Kieran had just laughed. “That’s right, it changes color, little nixie-like warlock,” he said. “Look.” And his hair went from blue-black to blue in an instant. Max giggled.
“I didn’t know you could do that on purpose,” said Mark, who had always thought of Kieran’s hair as a reflection of his moods, uncontrollable as the tides.
“You don’t know a lot of things about me, Mark Blackthorn,” Kieran said, setting Max down.
Alec and Magnus had exchanged a look at that, the sort of look that made Mark feel as if they had reached a silent and agreed-upon consensus …