Authors: Resi Gerritsen

  • K9 Professional Tracking, 2nd Ed. A Complete Manual for Theory and Training in Clean-Scent Tracking — Resi Gerritsen

    K9 Professional Tracking, 2nd Ed. A Complete Manual for Theory and Training in Clean-Scent Tracking — Resi Gerritsen

  • K9 Personal Protection: A Manual for Training Reliable Protection Dogs (K9 Professional Training Series) — Resi Gerritsen

    K9 Personal Protection: A Manual for Training Reliable Protection Dogs (K9 Professional Training Series) — Resi Gerritsen