Having already, within twelve years past, purchased himself, his wife, and five of his children, at a cost, altogether, of over _four thousand dollars_, he now earnestly desires a humane and christian public to AID HIM IN THE SALE OF THIS BOOK, for the purpose of finishing the task in which he has so long and anxiously labored.God has blessed him in an extraordinary manner, not only by granting freedom to him and so large a portion of his family, but by giving him the hope of the gospel, and permitting him to preach that gospel among his own people--in which calling he has been engaged for about twenty-five years.