Our books are Clear, Concise, Consistent and Considerate. The aim of our books is to enable students to consolidate their knowledge, and to learn how to solve problems precisely and systematically. Each chapter includes exercises ranging from the straightforward to extended and more advanced topics. The books includes materials and examples with clear, concise and simple presentation. The writing style is to the point and easy to follow. The texts can be used with courses or for self-learning. The books is a welcome addition with its clarity of exposition and careful selection of examples. Contains absolutely most important concepts that the student needs to know. Most are built upon a major revision to the last edition, the new edition offers many new exercises, figures and supplements.