Helen Lewis is a full-time educational author and consultant. She is also a qualified teacher, with sixteen years’ teaching experience in British primary schools. Originally from the UK, she emigrated to New Zealand in 2005. Helen has written and adapted educational materials for a wide range of worldwide markets, and her mathematics experience includes planning and writing maths schemes for the UK, sub-Saharan Africa and the Caribbean. Helen enjoys the challenge of making subjects exciting and accessible for students, and offering teachers materials to meet their needs. Helen has also published under her former name, Helen Whittaker.