Vol. 33 Num. 3 (2013) Alexandre Pais Ethnomathematics and the limits of culture ABSTRACT 2 Farhaana Nyamekye Separate schooling for Black adolescent mathematics learners ABSTRACT 7 Leslie Dietiker Mathematical texts as narrative: rethinking curriculum ABSTRACT 14 Nicholas Wasserman , Julianna Connelly Stockton Communication: Horizon content knowledge in the work of teaching: a focus on planning20 From the archives Communication: From the archives22 Uri Leron , Orit Zaslavsky Generic proving: reflections on scope and method ABSTRACT 24 Carlos Castillo-Garsow , Heather Lynn Johnson , Kevin C. Moore Chunky and smooth images of change ABSTRACT 31 - Contributor affiliations and contact information40