The Magician's Diary by C.J. Archer

Finding Chronos was supposed to solve all of their problems. But he is only half of the solution. Now, Matt, India, and their friends are going to have to not only find the diary of the healing magician who helped create Matt's watch in the first place, they're going to have to find another healing magician. They think that they've found one but the man is killed. Could it be the guilds who want to hide the existence of magicians? Or is it some reason more closely connected to the two of them?

Three stars

This book came out September 5, 2017

Glass and Steele #4

Follows 
The Apothecary's Poison

Followed by The Convent's Secret

Borrowed as ebook from Libby

Opinions are my own