In this ground-breaking book, Johanna Nichols proposes means of describing, comparing, and interpreting linguistic diversity, both genetic and structural, providing the foundations for a theory of diversity based upon population science. This book will interest linguists, archaeologists, and population specialists.
"An awe-inspiring book, unequalled in scope, originality, and the range of language data considered."--Anna Siewierska, "Linguistics"
"Fascinating. . . . A brilliant pioneering study."--"Journal of Indo-European Studies"
"A superbly reasoned book."--John A. C. Greppin, "Times Literary Supplement"