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Sales Training International delivers top-rated sales, sales management, and customer service training.

The content for our 22 bestselling books is based on the results of competency model diagnostic questionnaires and surveys.

Evidence based training works.

  • Diagnostic assessments demonstrate clear evidence for specific training needed.
  • Courses/modules selected from validated assessment results mean you're training only the specific skills needed.
  • Content for the twenty-two bestselling books comes from the standardized diagnostics and surveys which provides strong credibility and confidence in the training.
  • Training outcomes are immediate, observable, measurable, and sustainable.
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Selling Skills Resources
Learn Selling Online logo
  • Customizable sales diagnostic questionnaires, surveys, and checklists to help focus training resources for the best ROI.
  • Quick Selling Skills Survey (free & no opt-in required).
  • Bestselling sales books and ebooks.
  • Highly interactive Web-Based Training (WBT) selling skills courses.
  • Instructor-Led Training (ILT) customizable selling skills courses.
  • Free Sales Support Resources.
  • Best Sales Training Blog.
Sales Manager Skills Resources
Sales Manager Resources logo
  • Bestselling Sales Management eBooks.
  • Web-Based Training (WBT) interactive sales management courses
  • Instructor-Led Training (ILT) customizable sales management courses.
  • Free Sales Manager Support Resources.
Customer Service Skills Resources
Learn Customer Service Online logo
  • Customizable customer service diagnostic questionnaires to help focus and allocate training resources for the best ROI.
  • Quick Customer Service Skills Survey (free & no opt-in required).
  • Bestselling customer service ebooks.
  • Web-Based Training (WBT) interactive customer service skills courses with three cost saving bundles.
  • Instructor-Led Training (ILT) customizable customer service skills courses.
  • Free Customer Service Training Support Resources.
Best Selling Books & eBooks
best selling ebooks-books
  • Bestselling books and ebooks providing high levels of credibility and confidence!
  • Book lists organized by sales, sales management, and customer service, plus a complete listing of titles and tag-lines.
  • Paperback reference sales books that include diagnostic checklists.

Selling Skills Resources

Selling Skills Resources

Diagnostics - Sales

eBooks & Books - Sales

Web-Based Sales Training

Instructor-Led Sales Training

Client Quotes - Sales

Survey Recommendations

eNewsletters - Blog

Sales Manager Resources

Sales Management Resources

eBooks -Sales Management

Web-Based Sales Management Training

Instructor-Led Sales Management Training

Client Quotes - Sales Management

Customer Service Skills Resources

Customer Service Resources

Diagnostics - Customer Service

eBooks - Customer Service

Web-Based Customer Service Training

Instructor-Led Customer Service Training

Client Quotes - Customer Service

Best Selling Books & eBooks

Book Resources

Sales Books & eBooks

Sales Management eBooks

Customer Service eBooks

Paperback Reference Books

Complete list of Books & ebooks


About Sales Training International

About Resources, History, Client List

Sales Training International
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