This is the book of "Legal Maxims of Islamic Jurisprudence" that is studied at the Islamic University of North America (Mishkah). It presents the topic in a simple way. In the beginning, the book presents an accurate definition of the Islamic legal maxims and gives lots of examples on each rule.
The book of Principles of Islamic Fiqh is a great book written by Muhammad Hashem Kamali to explain this field of knowledge in the English language. It contains lots of chapters such as: Islamic Ruling, Islamic evidences as the Quran, Sunnah, Consensus and analogy, and the Personal Reasoning.