Stoller, Paul. In sorcery's shadow : a memoir of apprenticeship among the Songhay of Niger / Paul Stoller and Cheryl Olkes. - Chicago : University of Chicago Press, 1987. - xvii, 235 p. : ill. ; 24 cm. - 306/.08996 . ISBN: 0-226-77542-9 0-226-77543-7 (pbk.) Subjects--Personal Names: Stoller, Paul. Subjects--Topical Terms: Songhai (African people)Witchcraft--Niger.Ethnology--Field work.--Niger Dewey Class. No.: 306/.08996