Problem Solving and Reasoning with Discrete Mathematics (Preliminary Edition) is a textbook for all high school students, for college students preparing to be K-8 math teachers, and for students of all ages (10+) who are mathematically curious. It consists of a 430-page softbound textbook and a 175-page softbound “activity book” in which students can work on the activities presented in the text. It uses the content of discrete mathematics as a vehicle for improving students’ reasoning, modeling, and problem-solving skills.