This textbook on DC Theory is a valuable addition to any aspiring electrician's library. It provides a comprehensive understanding of direct current circuits and covers topics like Ohm’s Law, Kirchhoff’s Laws, and circuit analysis techniques. The book is published by Electrical Training Alliance and authored by Njatc. The hardcover format and English language make it easy to read and understand. It was published in 2010 and is the 3rd edition of the book. Whether you are a student or a professional, this book is a must-have for anyone seeking to expand their knowledge of DC circuits.