This bibliography is a descriptive and comprehensive record of the publishing activity of Macmillan of Canada, one of the most important Canadian publishers of the twentieth century whose archives are now part of the McMaster University collection. The bibliography is arranged chronologically, beginning with Macmillan’s first publications in 1906 and concluding with those books published up to July 1980. This list illustrates the diversity of macmillan’s publications including books by prominent Canadian writers such as Stephen Leacock, rey Owl, Robertson Davies, Mazo de la Roche, Marius Barbeau, E.J. Pratt, Frederick Phillip Grove, Dorothy Livesay, Raymond Knister, Morley Callaghan, James Reaney, Donald Creighton, Adele Wiseman, Hugh MacLennan, W.O. Mitchell, and others. This book is carefully researched, well-organized and easily accessible. It is of major interest to librarians, booksellers, researchers, bibliophiles and anyone interested in the Canadian book world.