Despite the rapid expansion in the quest for education in developing countries, availability of infrastructure and learning materials especially textbooks, at secondary level, have not kept pace with the ever increasing demand.There is also pressure on scholars in education to provide theoretical and practical solutions to classroom problems. This book process errors and senior secondary school student's academic achievement in longitude and latitude concepts of mathematics in Cross River State of Nigeria have proffer a solution. The book is readable as it presents current trends and characteristics of mathematical research in general. The book will also be found extremely useful and relevant to both students and teachers in all areas of study as each field is faced with degrees of errors.