Throughout his distinguished career devoted to the study of Arabic language and literature, Geert Jan van Gelder sustained a particular interest in humour and irreverence: in muj n, broadly understood as literary expressions of indecency, encompassing the obscene, the profane, the impudent, and the taboo. Contributors to this honorific compilation tackle this subject from a wide variety of perspectives beyond the merely prurient in studies detailing the ways in which indecency has been signified, signalled, evaluated, and preserved, and including translations and commentaries of exemplarily...