"A First Course in Differential Equations with Applications" by Dennis G. Zill is a textbook published in 1986 by Brooks/Cole. It covers the subject area of Mathematics, specifically focusing on Differential Equations and their applications. The book is written in English and is designed in a mass market format, making it accessible to a wide range of students and professionals interested in learning about differential equations. With its clear language and practical examples, this textbook serves as a valuable resource for those looking to deepen their understanding of this important area of mathematics.