 Pratt composed more than 20 books, which she illustrated with chromolithographs, on which she collaborated with William Dickes, an engraver skilled in the chromolithograph process.Her works were written in an accessible but accurate style that was partly responsible for the popularising of botany in her day.From her first book, "Flowers and Their Associations", her works sold well, but she did not ever achieve critical acclaim as a consequence of a bourgeois disdain for the autodidactic woman.