The Nelson History series covers material at Key Stage 4 in the National Curriculum and is intended for use with GCSE syllabuses. The books have a controlled language level, are designed to be accessible to students of all abilities and contain questions throughout to assess and reinforce knowledge and understanding. Investigations provide in-depth studies of key events and topics, and sources introduce students to a range of historial experience. Datapoint features present factual and statistical information. The series consists of one volume containing the core syllabus and a number of topic books covering the supplementary study units.