Die fröhliche Wissenschaft
At the core of Abbey's writings about Friedrich Nietzsche is a study of his middle period works, "Human, All Too Human", "Daybreak", and "The Gay Science". Her analysis provides insights on Nietzsche's morality touching on issues such as friendship, gender, marriage, egoism, pity and politics. One reviewer, writing in "The Review of Metaphysics", called "Nietzsche’s Middle Period" a "well researched...synopsis of Nietzsche's works from 1878 to 1882," the aim of which "is to defend the distinctiveness, as well as the 'superior worth', of this neglected phase of Nietzsche's development..."