On the Origin of Species that nature and human society were governed by natural laws. The "Origin of Species" as a book of wide general interest became associated with ideas of social reform. Its proponents made full use of a surge in the publication of review journals, and it was given more popular attention than almost any other scientific work, though it failed to match the continuing sales of "Vestiges". Darwin's book legitimised scientific discussion of evolutionary mechanisms, and the newly coined term "Darwinism" was used to cover the whole range of evolutionism, not just his own ideas. By the mid-1870s, evolutionism was triumphant. While
On the Origin of Species were weakened by Darwin making concessions and adding details to address his critics, and recommended the first edition. James T. Costa said that because the book was an abstract produced in haste in response to Wallace's essay, it was more approachable than the big book on natural selection Darwin had been working on, which would have been encumbered by scholarly footnotes and much more technical detail. He added that some parts of "Origin" are dense, but other parts are almost lyrical, and the case studies and observations are presented in a narrative style unusual in serious scientific books, which broadened