Eat That Frog by Brian Tracy is an excellent synthesis of much of the existing productivity literature to date, achieving about 80% of the total benefits from time management.

O NOT WAIT, the time will never be right

Seven Step Method

Decide exactly what you want
Write it down – thinking on paper is critical
Set a deadline on your goal
List the steps necessary for achievement
Organize the list into a plan (priority and sequence, visual layout)
Take action on your plan immediately
Do something every day to move closer to that goal