Alfred Tack

• Motivational Leadership
• Professional salesmanship
• 1000 ways to increase your sales
• How to Increase Your Sales to Industry
• Return of the assassin
• The great hijack
• The Secrets of Successful Selling
• How to overcome nervous tension and speak well in public
• How to overcome nervous tension and speak well in public
• How to Succeed as a Sales Manager
• How to Succeed in Selling (Cedar Book)
• How to train yourself to succeed in selling