This book offers a general antidote to the related challenges of critical thinking and problem-solving inquiry in the 21st Century - especially those of producing effective and original academic writing and knowledge. Such issues also link to the particular challenges of generative AI writing agents for university higher education as well as academic scholarship and publishing (i.e. their use to write academic assignments, papers, and dissertations). The 'foolproof approach' outlined in this book was developed around a simple but effective 'emergent method of academic writing' - a method promoting more effective linking together of 'words and ideas' (i.e. thought and language-use) through some relevant focus question or problem and a related 'thread of inquiry'. Such methods can be helpful to all university students. But it is especially applicable to 'research-based academic writing' - and those who struggle with this like postgrad researchers and early career academics. The emergent method of writing is developed here into a 'foolproof approach to optimal knowledge building' best exemplified by its use to effectively address the 'four ways and stages in which many lose their way' (e.g. 'the lost PhD' as well as the large drop-out rate of PhD students that many universities prefer you not know about). Another pivotal key to the optimal knowledge-building use of the emergent method is that it promotes the kind of 'deep learning' ability to understand, to develop, and to transfer knowledge as a related process of generating 'ideas in our own words'. The book includes relevant essays by the author applying this model - as well as practical examples and insights from decades of working with postgrads and others to assist them to achieve more effective writing, inquiry, and thinking outcomes. Along with suggestions for defending the purposes of universities and higher education, all this provides a blueprint for anyone to achieve the kind of 'mastery of knowledge' (and related language-use purposes) deserving of authentic recognition - including an actual PhD degree.