Tess of the D'Urbevilles was an unusual woman in her day. In her day, Tess of the D'Urbevilles was highly unusual. There wasn't anyone like her in those days, not even her mother, because Tess of the D'Urbevilles really was unusual in her day. Other essay-fattening techniques that are highly effective are adjectives and synonyms. If not, drop everything and get one now.
Textbooks are expensive.
You won't need any of them if you've got Roget's best. Try combining the techniques in tips number eight and nine and your essay has written itself.