Introduction -- Book framework -- Identity -- Health information work and workers- a systematic literature review over the past 5 decades -- No home in global occupation lists -- Competency standards and accreditation -- Potatoes or potahtoes: what's in a name? -- Who is your tribe? -- Remaining current and relevant in a changing landscape -- Microcredentials - fashion, fad or the real deal? -- Health information workers as health -- Impact -- The impact of specialised health information work on health systems performance professionals and as IT professionals -- The socio-technical foundations of health information work -- Evidence-based practice in this workforce -- Practice- based evidence in this workforce -- Case studies of impact on access and equity -- Case studies of impact on safety and quality -- Case studies of impact on efficiency and sustainability -- Innovation -- Globalisation and outsourcing of health information work -- Educating every health professional to be an information professional -- Reinventing health information work in response to AI in healthcare -- Consumer health literacy and digital patients - the role of the health information workforce -- Identity -- Case study: working as a clinical health information specialist - medical -- Case study: working as a clinical health information specialist - nursing -- Case study: working as a clinical health information specialist - allied health -- Case study: working as a health information management specialist -- Case study: working as a health librarian specialist -- Case study: working as a health data scientist specialist -- Case study: working as a public health information specialist -- Case study: working as a health research information specialist -- Case study: working as a health cyber security specialist -- Case study: working as a health CIO specialist. .