Sage Alexander and the Time Warriors — Steve Copling

When a typical mission involving Sage Alexander's grandfather goes terribly wrong, Sage is convinced he can use his supernatural gifts to reverse the outcome. But manipulating events already set in time can compound the problem. Horrified after his first attempt to fix things, Sage is forced to evaluate what his life will look like after suffering such devastating loss. Despite warnings about undoing everything he has accomplished through the years thus far, Sage risks it all to bring back those he loves.