Thomas’ Calculus: Early Transcendentals, 13th Edition, authored by George Thomas Jr., is a comprehensive resource designed for students pursuing three-semester or four-quarter calculus courses, particularly those in mathematics, engineering, and science disciplines. This edition continues the tradition of clear and precise explanations, thoughtful examples, and high-quality illustrations that have made it a favorite among educators and learners alike. With over 1200 pages, this book offers an extensive range of exercises that have been refined, updated, and expanded to enhance technical proficiency while fostering a deeper appreciation for calculus. Co-authors Joel Hass and Maurice Weir have meticulously ensured that the text remains relevant and engaging for today’s students, making it an invaluable tool in their academic journey.