Born in Newcastle NSW, Lyndall has been a Head Teacher English, Senior Education Officer, Senior HSC marker, and has taught at TAFE and universities. Publications include short stories and poetry. Her main writing output has been in curriculum materials and text books for Board of Studies NSW, Dept of Education NSW, Heinemann, Pan Macmillan, Excel, media outlets, private companies, and her own publishing partnership, The Learning Curve. She was a member of the English Teachers Association NSW council, participated in various examination committees, and was involved in training and development for English teachers. She has been a member of NSW writers centre, Australian Society of Authors, and Copyright Agency. She holds a BA from the University of New England and an MA Writing from the University of Technology Sydney.