Calculus:
* A First Course in Calculus with Early Transcendentals (with Warren S. Wright)
* Calculus: Early Transcendentals (with Warren S. Wright)
* Calculus: An Applied Approach (with Warren S. Wright)
Differential Equations:
* A First Course in Differential Equations with Modeling Applications (with Michael R. Cullen)
* Differential Equations with Boundary-Value Problems (with Michael R. Cullen)
* Advanced Engineering Mathematics (with Warren S. Wright)
Other Works:
* Advanced Calculus (with Warren S. Wright)
* Linear Algebra with Applications (with Warren S. Wright)
* Essentials of Calculus (with Warren S. Wright)
* Calculus for Engineers and Scientists (with Warren S. Wright)
Zill's textbooks are widely used in colleges and universities worldwide. They are known for their clarity, thoroughness, and abundance of examples and exercises.