Hocus Pocus (The Flash, Bk. 1) by Lyga, Barry

In a timeline where Flashpoint never happened, The Flash (aka Barry Allen) must face a mysterious villain who can control the minds and actions of citizens. But when Hocus Pocus, as he calls himself, takes control of Barry, it’s up to Team Flash to help the Scarlet Speedster before he’s forced to do the unthinkable. Written by New York Times bestselling author Barry Lyga, this is one adventure fans of the TV series won’t want to miss!