By Rob Kovitz. Treyf Books, November 2014, 664 pages, $30. The only bit of original text in Rob Kovitz's diverting According to Plan is a last-page mission statement about his imprint, Treyf Books. The objective of that publishing project is described there as making "unusual books of an indeterminate type, sort of story-picture remix books for people who can't stomach any more schmaltzy Chicken Soup for the Soul." If we are to take that title, volume one of the enormously popular self-help series, as a stand-in for all things that limit creative possibility through oversimplification, overdetermination, and, yes, schmaltz, then