Call Sign Warlock Series by J. Clifton Slater Call Sign Warlock #1 Op File Revenge J. Clifton Slater Read online 46 Published: 2018 Call Sign Warlock #2 Op File Treason J. Clifton Slater Read online 473 Published: 2018 Call Sign Warlock #3 Op File Sanction J. Clifton Slater Read online 157 Published: 2018
