Zac Walker, an Australian teacher, and part-time writer. His passions are teaching and researching. He's also eager when it comes to learning new stuff. Has done some cooperation writing a series of English learning books. His motto in life is: "Discipline, commitment, and attitude will lead you to the peak of success and reputation." The books he loves are: "The Magic of Thinking Big" by Dr. David Joseph Schwartz and "The Art of Negotiation" by Michael Wheeler.