25 toughest sales objections (and how to overcome them)Stephan Schiffman · First published 2011Open the Tome
The 25 sales habits of highly successful salespeopleStephan Schiffman · First published 1991Open the Tome
Cold calling techniques (that really work!)Stephan Schiffman · First published 1987 · Latest edition 2007Open the Tome
The 25 most common sales mistakes-- and how to avoid themStephan Schiffman · First published 1990Open the Tome
