The publication of the Vai dictionary based on August Klingenheben’s collection and edited by Raimund Kastenholz is a very fortunate event for African studies. It finally makes the rich lexical database that was compiled by August Klingenheben (1886-1967) accessible. The thorough and consistent editorial work carried out by Kastenholz has made available the results of Klingenheben’s research and documentation project on Vai, which, as we learn from the introduction, spanned a period of over f...