This manual introduces the history, defining characteristics, and practical techniques of medieval illumination for beginners. It outlines stylistic origins and examples from museum-held manuscripts, explains how illuminated decoration differs from other ornamentation, and gives step-by-step guidance on materials, colour handling, and gilding. The work includes progressive exercises and coloured plates modeled on authentic manuscripts, advice on purchasing pigments and tools, and corrective notes on common misconceptions, aiming to equip readers to study historical exemplars and to practise illumination with informed technique.