The highly anticipated fourth edition of Exploring Innovation expands on the wide-ranging and varied scope of innovation found in earlier editions. The text explores the diverse and varied forms that innovation can take to demonstrate that the process of innovation is about much more than inventing and managing new products. Written in an accessible style, Exploring Innovation encourages students to delve into a range of recent developments in innovation including frugal and social innovation. Extensive use of case studies provides plenty of practical examples that bring key concepts to life. The new edition features:•Two brand new chapters on Frugal Innovation – doing more with less, and Social Innovation - meeting social needs•Coverage of recent developments in green innovation with four new mini-cases covering sustainability issues such as the circular economy and community energy•A new focus on the application of innovation •12 new case studies including:  Eco Wave Power, Brompton Folding Bicycle, Doc Martens, Evolution of the EV, Northvolt and Grameen Bank, along with many new mini-cases throughoutDavid Smith is Emeritus Professor of Innovation Management at Nottingham Business School, Nottingham Trent University.