The study of early modern Yiddish literature: a theoretical introduction -- "Are ye fantastical, or that indeed which outwardly ye show?": a comparative case study -- The Seyfer mesholim: the world of fable -- Thinking with shedim: what can we learn from the mayse fun vorms? -- The allegorical spirit: dybbuk tales and their hidden lessons -- The tale of Briyo and Zimro: what makes a Yiddish romance? -- Coda. looking back: concluding considerations