Magic of Numbers but now Mathematics for Senior Secondary Schools. He has also made presentations at various schools, and for organizations including: Norman Galaxy of Writers, Norman, OK, USA; Oklahoma State University, Stillwater, OK; Oklahoma City Writers Inc., Oklahoma City, OK, USA; Newkirk High School, Newkirk, OK, USA; Washington High School, Washington, OK, USA; Booker T. Washington High School, Tulsa, OK, USA; Jenks Public Schools, Jenks, OK, USA; Upward Bound, Oklahoma City Community College; Carnegie Friends of the Library, Elk City, OK, USA; Board Members of Organization of Rural Oklahoma Schools; Metropolitan Library System, Midwest City, OK, USA. His books, articles and activities have been reviewed, published and featured in Nigerian, and several US newspapers and magazines including: The Nigerian Observer; The Renaissance The Oklahoma Daily, the student newspaper of The University of Oklahoma; The Norman Transcript, The Daily Oklahoman & Times; The Edmond Evening Sun; Oklahoma School Board Journal; The Mathematics Teacher, Reviewer’s Bookwatch of The Midwest Book Review He has been a guest on several radio and TV stations including KTLV 1220, KEBC A.M. 1340, KTLC Channel 34, KTOK 1000; and KOCO TV Channel 5; all in Oklahoma City.     He has made invited presentations at various conferences including       Paul Chika Emekwulu, an award-winning author hails from Ekwulobia in Aguata Local Government Area of Anambra State, Nigeria.   National Council of Teachers of Mathematics Oklahoma Council of Teachers of Mathematics Oklahoma Education Association Panhandle Area Mathematics & Science Conference Kansas Association of Teachers of Mathematics.   Emekwulu’ s interest in writing and publishing began with a newspaper article he wrote while serving in what is called the National Youth Service Corps (NYSC) at New Era College, Benin City, Edo State, Nigeria. While a teacher at Boys’ High School, Uga, he self - published a pamphlet which sold 100 copies in its first printing and 1,000 copies in a second printing. Shortly after, he immigrated to the United States, where his fascination with writing and publishing led him to write his first, full - fledged book, then