Amazon states that "providing access to the written word is important, including content that may be considered objectionable." The company states that it may withdraw content if "we determine it creates a poor customer experience."
In addition, Amazon states that if it pulls content, its policy is to inform the "author, publisher, or selling partner" of the de-listing and to allow them an appeal.
"If we remove a title, we let the author, publisher, or selling partner know and they can appeal our decision," the company stated.
However, Anderson told CNA that as of Monday afternoon he had not heard any explanation from the company for his book not being listed online.
When Harry Became Sally is Anderson's critical look into the transgender movement, exploring the biological, psychological, and philosophical areas of the transgender debate. He has been outspoken on topics such as the concept of gender fluidity, purported psychological benefits of gender-transition surgery for those with gender dysphoria, and the implications of "transgender mandates"-that public spaces such as single-sex bathrooms and locker rooms be available to people based on their gender identity.
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Anderson's book was commended by professors of psychiatry, psychology, and medical ethics at universities such as Johns Hopkins, Boston University, New York University, and Columbia University.
Despite the acclaim from scholars, he said it was still de-listed at Amazon. "It's not about how you say it, it's not about how rigorously you argue it, it's not about how charitably you present it. It's about whether you dissent from a new orthodoxy," he said.
On Friday, legislation was introduced in the House of Representatives to recognize sexual orientation and gender identity as protected legal classes. The proposed "Equality Act" would create broad protections in civil rights law for those identifying as transgender, non-binary, or gay or lesbian.