Flint was the primary raw material used for tools until c. 4000 years ago. Its properties allow the production of very sharp edges, which made it essential in many activities related to craft and subsistence. The fact that flint tools have been used for a long period of time almost everywhere in the world makes them an important source of information in the study of prehistory. Several general questions about this material are of interest to archaeologists: where was the raw material obtained? How can we distinguish between man-made artefacts and natural pieces of flint? What techniques can be used to work flint, and how can we recognise them? How were the different tools used in an effective way? This book tries to answer all of these questions by describing the subsequent stages: acquisition of raw material, flint knapping techniques, recognition of pseudo-artefacts and geofacts, typology of common tool types found in northwestern Europe and discussion of the most effective way to use these tools. The book is richly illustrated with full colour figures. Text in Dutch.