The Sorcerer's Secret by J. A. Areces

Book 3 of the Salem Concord begins where The Secret Society of Seven Sorcerers left off.  In the Sorcerer's Secret, Jesse ventures deeper into the wizarding world and discovers that the Wizardry must live a secret.   A secret that history altered.  A secret that FOLK must never learn.  It's up to Jesse and the secret wizard agent Ch-U-Ch to stop the forces that are trying to breach the Salem Concord and cause another Witch War.  Meanwhile, Andrew and Brendan are learning that being a wizard in a FOLK world has its consequences.  As their secret is revealed, they learn that they're placing their friends lives in danger.  It's up to them and Chief Fabiano to stop Lord Alex from obtaining two of the most powerful magical items in the world.  Time is running out, and on Halloween, one cry will be heard throughout the land, "The Witches are Coming!"