"Classical Fourier Analysis" by Loukas Grafakos is a comprehensive textbook in mathematics, specifically focusing on functional analysis and mathematical analysis. Published by Springer New York in 2014, this hardback edition is part of the Graduate Texts in Mathematics series. With 638 pages, this textbook covers a wide range of topics related to Fourier analysis, making it a valuable resource for students and researchers in the field. Written by the renowned author Loukas Grafakos, this book is a crucial addition to any mathematical library.