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'The continued publication of the Cookbook serves no purpose other than a commercial one for the publisher.'

Forty-four years ago this month, in December 1969, I quit my job as a manager of a bookstore in New York City's Greenwich Village and began to write the Anarchist Cookbook. My motivation at the time was simple; I was being actively pursued by the U.S. military, who seemed single-mindedly determined to send me to fight, and possibly die, in Vietnam.

I wanted to publish something that would express my anger. It seems that I succeeded in ways that far exceeded what I imagined possible at the time. The Cookbook is still in print 40 years after publication, and I am told it has sold in excess of 2m copies.

I have never held the copyright, and so the decision to continue publishing it has been in the hands of the publisher.

I now find myself arguing for it to be quickly and quietly taken out of print. What has changed?

Unfortunately, the source of my anger in the late 60's and early 70's - unnecessary government-sanctioned violence - is still very much a feature of our world. The debacle of the U.S. invasion of Iraq is yet another classic example. It still makes me very angry. So my change of heart has had less to do with external events than it does with an internal change.

Over the years, I have come to understand that the basic premise behind the Cookbook is profoundly flawed. The anger that motivated the writing of the Cookbook blinded me to the illogical notion that violence can be used to prevent violence. I had fallen for the same irrational pattern of thought that led to U.S. military involvement in both Vietnam and Iraq. The irony is not lost on me.

To paraphrase Aristotle: it is easy to be angry. But to be angry with the right person, at the right time and to the right degree that is hard - that is the hallmark of a civilized person. Two years ago, I co-authored a book entitled Becoming an Emotionally Intelligent Teacher. Although written for educators, the book serves as an implicit refutation of the emotional immaturity of the Cookbook. The premise is that all learning takes place in a social context, and that teachers with a high degree of emotional intelligence construct relationships with students that enhance learning. I continue to work hard, in an Aristotelian sense, to be more civilized.

For the last 40 years, I have served as a teacher and school leader in Africa and Asia, working in some of the poorest and least developed countries of the world. Together with my wife, I have been involved in supporting schools around the world in becoming more inclusive of children with learning challenges. We have written books on the subject and speak regularly at international conferences. In 2010 we founded, together with other colleagues from international schools, the Next Frontier: Inclusion, a nonprofit organization dedicated to helping schools be more inclusive of children who learn differently - children with developmental delays, dyslexia, ADHD, and autism.

I suspect that these children have taught me a great deal more than I have taught them.

So what is the connection between the needs of these children with learning disabilities and my wish to see the Cookbook go out of print?

For one thing, children with learning challenges are often ostracized; sometimes informally by peers, sometimes more formally by schools that deny them admission, and sometimes by teachers who fail to understand their academic, social and emotional needs. No child should have to earn the right to belong.

The Cookbook has been found in the possession of alienated and disturbed young people who have launched attacks against classmates and teachers. I suspect that the perpetrators of these attacks did not feel much of a sense of belonging, and the Cookbook may have added to their sense of isolation.

Schools need to be safe places. Students and teachers need to feel physically and psychologically safe. Learning is greatly inhibited when fear pervades the schoolhouse. Learning is also greatly inhibited when children and young adults do not feel a sense of belonging.

I do not know the influence the book may have had on the thinking of the perpetrators of these attacks, but I cannot imagine that it was positive. The continued publication of the Cookbook serves no purpose other than a commercial one for the publisher. It should quickly and quietly go out of print.

William Powell has served as an international school educator for the past 30 years in the US, Saudi Arabia, Tanzania, Indonesia, and Malaysia. He and his wife are currently working on the inclusion of special needs children in international schools. They founded Next Frontier: Inclusion