Preface: European Network on Education and Training in RAdiological Protection II-ENETRAP II -- Foreword: Textbook, cyberbook and ECVET -- Authors -- Acknowledgments -- Contents -- Chapitre 1: Radioactivity and nuclear physics -- Introduction -- 1.1. General considerations -- 1.2. Nuclear stability and instability -- 1.3. Radiation: energy and emission intensity -- 1.4. Nuclear transformation modes -- 1.5. The electron cloud -- 1.6. Decay schemes -- 1.7. Physical quantities and fundamental properties -- 1.8. Check your knowledge -- Chapitre 2: Interaction of ionising radiation with matter -- Introduction -- 2.1. Ionising radiation: definition and classification -- 2.2. Interaction of charged particles with matter -- 2.3. Interaction of electromagnetic radiation with matter -- 2.4. Interaction of neutrons with matter -- 2.5. Check your knowledge -- Chapitre 3: Dosimetry -- Introduction -- 3.1. Physical quantities -- 3.2. Protection quantities -- 3.3. Operational quantities -- 3.4. Check your knowledge -- Chapitre 4: Biological effects of ionising radiation -- Introduction -- 4.1. Molecular effects of interaction with ionising radiation -- 4.2. Cellular effects, consequences of molecular effects -- 4.3. Non-stochastic or deterministic effects -- 4.4. Stochastic effects -- 4.5. Summary -- 4.6. Risk assessment -- 4.7. The principles of the ICRP -- 4.8. Check your Knowledge -- Chapitre 5: Detection and measurement of ionising radiation -- Introduction -- 5.1. Detectors -- 5.2. Electronics associated with detectors -- 5.3. Measurement methods and practices -- 5.4. Check your Knowledge -- Chapitre 6: Uses of sources of ionising radiation -- Introduction -- 6.1. Natural sources of ionising radiation -- 6.2. Medical applications of ionising radiation -- 6.3. Industrial applications of ionising radiation -- 6.4. Civil nuclear industry -- Bibliography.