 Sarah Trimmer, for example, contends in her "Guardian of Education", the first successful periodical dedicated to reviewing children’s books, that children should not read fairy tales precisely because they will lead to slothfulness and superstition.William Blake, who often did illustrative work for Wollstonecraft's publisher Joseph Johnson, was engaged to design and engrave six plates for the second edition of "Original Stories".Blake scholars tend to read these plates as challenges to Wollstonecraft’s text.