This is a Deep Dive of a paper that offers two distinct reviews of academic books in the field of philosophy and literary criticism. The first, a review by Bican Polat, examines Jeffrey A. Bell's "Philosophy at the Edge of Chaos: Gilles Deleuze and the Philosophy of Difference," which explores Deleuze's concept of difference in relation to Western metaphysics, particularly comparing it to the ideas of Heidegger and Derrida. The second, a review by Tarek R. Dika, analyzes "Psyche: Inventions of the Other," a collection of essays that provides a portrait of Derrida's philosophical, literary, and ethico-political concerns, including his stance on apartheid and essays on figures like Barthes and Freud. Both reviews engage with complex philosophical concepts and their interconnections.