Medicines are the most common therapeutic intervention in health care, and also one of the most common sources of avoidable harm. Errors can occur at every step from prescribing to administration and monitoring, and the risks are amplified where staffing is stretched, supply chains are varied and electronic safeguards are limited. Yet the majority of errors are preventable with simple, well-understood practices. This three-volume series gives healthcare workers in pharmacies, hospitals, laboratories and training institutions a practical, standards-based foundation in medication safety. It draws on the World Health Organization's Medication Without Harm challenge, the work of the Institute for Safe Medication Practices (ISMP), and established safety science, and applies them to realities