I love "Clear and Simple as the Truth" for a very authoritative voice which can present complex things without dumbing down: (Non-aff) http://www.amazon.com/Cle

I love "Clear and Simple as the Truth" for a very authoritative voice which can present complex things without dumbing down: (Non-aff) http://www.amazon.com/Clear-Simple-As-Truth-Writing/dp/0691029172 http://www.amazon.com/Clear-Simple-As-Truth-Writing/dp/06910... And "Style: Towards Clarity and Grace" for a more humble, direct, simple style for non-complex presentation: (Non-aff) http://www.amazon.com/Style-Clarity-Chicago-Writing-Publishing/dp/0226899152 http://www.amazon.com/Style-Clarity-Chicago-Writing-Publishi...