The Now Habit
Productivity Engineering
Mental Toughness
Do It Now
Getting Things Done
(Personally tested and recommended by the author of this web. Some links might lead to other websites.)
These people didn't do anything that is directly related to time management, laziness nor procrastination. Yet, their works cover related or general areas of self-help and I thought they might be of help.
First coming is Dr. Robert Anthony, author of some of the most influential self-help books that I have read.