Homeschooling Math book is so easy to use thanks to this amazing teacher

Aloysius Aseervatham has been a teacher for forty-six years teaching in eight countries around the world which included Sri Lanka, England, Ghana, Nigeria, Malawi, Zambia, Papua New Guinea and Australia. ​He has written over twenty books on various subjects the main areas being mathematics, accounting, languages and religion. Leslie Aseervatham has been a secondary school teacher of mathematics, science and information technology in Brisbane Australia for over 20 years. A qualified chemical engineer, Les decided that teaching was his calling and enjoys educating the young students.Website https://www.aseer.com.au/