One of Our Elves is Missing - Christian Warren Freed - Bog

Return to the hidden world of elves, conspiracies, and a government agency desperate to keep it all secret.
Fantasy author and Army veteran Daniel Thomas knows he's responsible for placing Xander, the most dangerous threat to both humans and elves, behind bars. Should Xander escape....
When he is once again approached by Agent Blackmere his worst fears are confirmed. Xander is once again free and all hell is about to break loose. Daniel reluctantly leaves his home in North Carolina and heads back to his childhood stomping grounds in central New York to stop Xander and keep his family safe.
It may already be too late.