The papers in this collection present the numeral systems of more than twenty Nigerian languages. The papers mainly emanate from a workshop on the numeral systems of Nigerian languages organised by the Linguistic Association of Nigeria during its 23rd Annual Conference which was held at the University of Port Harcourt, Nigeria. The workshop arose from awareness created by Dr. Eugene S.L. Chan on the need for Nigerian linguists to document this severely endangered but very important aspect of natural languages. The quantum of mathematical computations - addition, multiplication, subtraction, or a combination of two or all of these - involved in the numeral systems of Nigerian languages is remarkable. The papers reveal that a variety of numeral systems do exist, such as: binary, decimal, incomplete decimal, duodecimal, quinary, quaternary, ternary, mixed, body-part tally systems, and much more. The book is a resource about how different languages manipulate their numeral systems.

This volume is produced in commemoration of the official retirement of Professor Kay Williamson from the Department of Linguistics and Communication Studies, University of Port Harcourt, Nigeria. The contributing essayists cover five main generations of Nigerian linguists. The collection is divided into six sections: Language, history and Society; Applied Linguistics and Orthography Design; Gender and Communication Studies; Stylistics and Literature; Pragmatics, Discourse Analysis and Translation; and Formal Linguistics. Some of the contributors include: Ayo Bamgbose, Okon Essie, Ben Elugbe, P.A. Nwachukwu, E.N. Emenanjo, P. Anagbogu, Chinyere Ohiri-Aniche, O.M. Ndimele, O.G. Harry, Levi Igwe, C.U. Omego, O. Ojukwu, A.U. Weje, O.N. Anyanwu and A. Idafuro.

The present volume, which is the 5th in the Nigerian Linguists Festschrift Series, is devoted to Professor Munzali A. Jibril, a celebrated icon in university administration, and an erudite Professor of English Linguistics. The title of this special edition was specifically chosen to crown Professor Jibril s academic prowess in both English and indigenous Nigerian languages, and to mark and laud his official departure from active university lectureship. 72 assessed papers are included from the many submitted. Papers cover the main theme of the volume, i.e. the interaction between English and indigenous Nigerian languages, and there are a number of papers on other secular areas of linguistics such as: language and history, language planning and policy, language documentation, language engineering, lexicography, translation, gender studies, language acquisition, language teaching and learning, pragmatics, discourse and conversational analysis, and literature in English and African languages. There is also a rich section devoted to the majwor traditional fields of linguistics - phonology, morphology, syntax and semantics.