This chapter provides an overview of essential tools and resources in prompt engineering, highlighting their role in optimising interactions with large language models (LLMs). It introduces key tools such as OpenAI Playground, LangChain, and Guidance, which facilitate prompt creation, testing, and optimisation, alongside platforms like PromptHub and PromptBase that foster community collaboration. Specialised resources like AIPRM and Haystack support advanced tasks, including prompt management and integration with real-time information retrieval systems. The chapter also details online resources, including courses, tutorials, and documentation from organisations such as DeepLearning. AI and OpenAI, catering to a range of skill levels. Additionally, it presents a curated list of recent books that offer in-depth insights into the art and science of prompt engineering. Together, these tools and resources form a comprehensive foundation for mastering prompt engineering, empowering users to achieve precision, creativity, and efficiency in AI-driven applications.