Ahmed Ghatasheh earned his PhD in Applied Mathematics from the University of Alabama at Birmingham in 2018. He has taught at the Ohio State University and Florida A&M University and currently serves as Assistant Professor of Mathematics at Philadelphia University in Amman, Jordan Steven Redolfi earned his PhD in Applied Mathematics from the University of Alabama at Birmingham in 2023. He is currently a Model Validation Analyst for Regions Financial Corporation. Rudi Weikard is Professor of Mathematics at the University of Alabama at Birmingham. He frequently taught the Real Analysis sequence on which this book is modeled. He has authored or coauthored over 70 scholarly papers and coedited three volumes of conference proceedings. Jointly with C. Bennewitz and B.M. Brown, he recently published the book Spectral and Scattering Theory for Ordinary Differential Equations