This book, prepared by M.C. Urquhart, includes shapters on specific sectors of the economy by Alan G. Green, Thomas K. Rymes, Alastair Sinclair, and Marion Steele, and contributions by D.M. McDougall and R.M. McInnis. Gross National Product, Canada, 1870-1926: The Derivation of the Estimates will be an essential reference tool for further investigation into the new basic estimates, qualitative economic history, and Canadian Econometrics.