Dr A Sahib El-Radhi was born and raised in Baghdad, Iraq. His medical education was obtained at the Medical College of the Free University of West Berlin, Germany where he achieved the bachelor’s degree and later the PhD. For more than 40 years, Dr El-Radhi has had the opportunity to work in many countries including Germany, Iraq, Kuwait, Finland and the United Kingdom, thereby gaining a wide experience on tropical infectious diseases and all kinds of interesting paediatric diseases.Between 1993 and 2006, Dr El-Radhi worked as a consultant paediatrician at the University Hospital of Queen Marty’s Hospital, Sidcup, Kent, England. He achieved the honour of senior honorary lecturer from the Medical School of London. He was involved in under- and postgraduate teaching for over 10 years.Dr El-Radhi was an MRCPCH and DCH examiner for nearly twenty years for the Royal College of Paediatrics and Child Health (RCPCH). He has been a fellow of the RCPCH since 1994. He has been a “peer-reviewer” of articles submitted to the Archives of Diseases inn Childhood, British Journal of Nursing and World Journal of Clinical Pediatrics, USA, where he was an editor as well.Currently, he is a part-time paediatrician at the Circle Health Group of Chelsfield Park Hospital in Kent. He has now more time to focus on his special interest that is writing medical articles and books. The number of publications for forty years career has been around 50 articles, mostly on subjects related to fever. In 2017, he published 8 papers in medical journals, wrote two books in 2018. His book “Clinical Manual of Fever in Children” has been translated into Russian language. Currently his two books the “Clinical Manual of Fever in Children” and “Avoiding Misdiagnosis in Paediatric Practice” are being translated to German language. IDuring the past 15 months the author has been engaged to update a book “Essential Paediatrics in Primary care”, initially published in 2013. Many topics have been expanded, hoping to present the best available, evidence-based knowledge to all colleagues, particularly those colleagues working in primary care.