Mark is a freelance author and series editor with over 25 years of experience, specialising in science textbooks and educational materials for schools (for the 11–16 age group). His educational writing career started in the classroom, with the desire to offer students better learning materials. He has worked in many markets around the world, most extensively in the UK and Middle East, and spent the last few years working on projects to support IGCSE and International GCSE curricula.