"Number Theory: A Lively Introduction with Proofs, Applications, and Stories" is a comprehensive textbook on the subject of Number Theory, written by authors Erica L. Flapan, Tim K. Marks, and James E. Pommersheim. Published by Wiley & Sons, Incorporated in 2010, this 784-page hardcover book offers a detailed exploration of Number Theory concepts with a focus on proofs, applications, and stories. The engaging narrative and inclusion of real-world examples make this textbook a valuable resource for students and professionals in the field of Mathematics."