In 2017, Ohm self-published ''Cool Waters to Thirsty Souls: Letters to Missionaries from Pastor Don Ohm,'' a short anthology of letters of encouragement that he has penned over the years to missionaries worldwide.<ref>Don Ohm, ''Cool Waters to Thirsty Souls: Letters to Missionaries from Pastor Don Ohm,'' Lulu Publishing Services, 2017, pp. vii-86, ISBN 978-1-4834-6795-5.</ref> | In 2017, Ohm self-published ''Cool Waters to Thirsty Souls: Letters to Missionaries from Pastor Don Ohm,'' a short anthology of letters of encouragement that he has penned over the years to missionaries worldwide.<ref>Don Ohm, ''Cool Waters to Thirsty Souls: Letters to Missionaries from Pastor Don Ohm,'' Lulu Publishing Services, 2017, pp. vii-86, ISBN 978-1-4834-6795-5.</ref> |