In human's communication using short sentences is considered efficient. However, a text composed  exclusively of such sentences looks technical and reads boring. The one composed of long ones,  on the other hand, demands significantly more effort for comprehension. Studying characteristics  of the sentence length variability (SLV) in a large corpus of world famous literary texts shows  that an appealing and aesthetic optimum appears somewhere in between and involves self-similar,  cascade-like alternation of various length sentences - much like volatility changes in the financial
markets. Majority of studied texts obey the related fractal attributes but especially spectacular  in this respect are literary texts belonging to the 'stream of consciousness' literary style, known  also as the 'internal monologue'. These develop patterns characteristic to multifractals very much resembling the ones generated by the financial volatility. This coincidence parhaps suggests that  the degree of multifractality in markets reflects the level of endogeneity involved in the corresponding  financial dynamics.
 

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