"Practical Analysis in One Variable" is a comprehensive textbook authored by Donald Estep, focusing on mathematical analysis in a single variable. Published by Springer New York in 2010, this book is part of the Undergraduate Texts in Mathematics Series. The trade paperback format spans 623 pages, providing detailed insights and explanations for students studying the subject. With a clear emphasis on practical applications, this textbook is a valuable resource for those looking to deepen their understanding of mathematical analysis.