●The authors follow a logical development of topics, and write in a readable style that is consistent and concise. As each new mathematical concept is introduced the emphasis remains on improving students’ ability to write proofs.●Worked examples and exercises throughout the text, ranging from the routine to the challenging, reinforce the concepts.●Proofs to Grade exercises test students’ ability to distinguish correct reasoning from logical or conceptual errors.●A flexible organization allows instructors to expand coverage or emphasis on certain topics and include a number of optional topics without any disruption to the flow or completeness of the core material.-