An Introduction to Pharmac - ovigilance is a compelling read and one that both new and experienced medical writers will find useful for providing a suc - cinct, yet thorough, overview of today’s current drug safety requirements. Patrick Waller and Mira Harrison-Woolrych are experts in pharma covigilance; their wealth of knowledge makes this second edition book a must have on any medical writer’s desk and provides a more up-to-date and internationally focused work than its predecessor.