Abbott, Jacob (1803-1879). Noted children's book author; noted for the "Rollo" series and the "Marco Paul" books. Single page ALS, Saratoga Springs, Aug. 30, nd. To Rev. H. Winslow, Union Hall, Saratoga. Regrets missing him in Saratoga, but plans to see him when visiting Boston. With an early Saratoga post mark. 7.75" x 10", folded to 5" x 7.75". Very good.