**DRAFT, NOT YET APPROVED** The use of theory and philosophy in research can be unfamiliar terrain. Embark on a journey through such perspectives and concepts with this engaging and approachable guide. Making what theorists are talking about more accessible and demystifying some of their key ideas, this book offers a guided tour of philosophy to kickstart your own exploration. Breaking from traditional paths through theoretical approaches to research, this book has diversity, inclusion and social justice at its core and is structured around four domains: Progress, examining ideals and assumptions underpinning research; Emancipation, exploring concepts such as freedom, justice and power; Inwardness, looking inward to your own experiences; Criticality, questioning and challenging assumptions and embracing multiple knowledge systems. Beyond presenting the usual white, Western thinkers, the book purposefully foregrounds traditions and thinking from around the world. It is ideal for advanced undergraduates, postgraduates and researchers in applied disciplines such as health sciences, social work and applied psychology.