Professor Mercer has begun to devote herself more and more to contextualizing the history of philosophy. To that end, she designed a book series, Oxford Philosophical Concepts, that enlists prominent international scholars to think creatively about the "lives" of concepts in the history of philosophy. As of 2015, there are 30 volumes in various stages of production, and 5 published. Along with Eileen O'Neill and Andrew Janiak, she is co-editor of another new series, Oxford New Histories of Philosophy, which speaks to a growing concern to broaden and reexamine philosophy’s past. Professor Mercer teaches a course titled "Philosophy and Feminism".
