The book was reviewed by Peter Singer in 1973 in "The New York Review of Books", in which he argued that it was a call for the foundation of an animal liberation movement. The article led the "New York Review" to commission a book from Singer, published as "Animal Liberation" (1975). Singer used the term "speciesism" in the book, attributing it to Ryder, and included it the title of his fifth chapter – "Man's Dominion ... "a short history of speciesism"." Writing that it was not an attractive word, he defined it as "a prejudice or attitude of bias in favour of the interests of members of one's own species and against those of members of other species," and argued that it was a prejudice similar to racism and sexism: