This textbook presents a muchneeded overview of the recent developments in implementation science a discipline that is young has gained increasing attention in recent years and has experienced substantial and rapid growth in knowledgeproduction and debate. It captures the latest developments in research and pushes the reader toward the next phase for implementation science bridging the sciencetopractice divide. Drawing from multidisciplinary international research by top scholars in the field this book provides a critical but friendly approach to understanding what implementation science is what it isnt and where its going.Topics include Factors associated with effective implementation Organizational context and readiness for change Implementation theories models and frameworks Enhancing implementation measurement Bringing interventions to scale Closing the sciencepractice gap in implementationImplementation Science 3.0 is a timely important resource for researchers students and others with an interest in implementation working across the fields of social welfarepublic health education and psychology.The chapter Making sense of implementation theories models and frameworksin which some modifications to the text were made is available open access under a Creative Commons Attribution 4.0 International License in Nilsen P. 2015.ampnbspImplementation Science 1053 via link.springer.com.