"I Dare You!" by William Danforth is a Motivational Classic.
From the Foreword: Those of us who have been associated with Mr. Danforth in business know that this Dare idea works. Practically all of the leaders in his great or-ganization were boys who came from humble surroundings and were dared by him to high accomplishments. Mr. Dan-forth gives the best that is in him.
How to Tell What You Know by Arthur Secord is a handbook for managers or executives on every level of industry or business—leaders who are promoted because of what they know, and who must convey that key information to others. In down-to-earth language it gives the answers to your daily communication problems in your organization—answers tested for years by one of the foremost speakers.