Best Differential Equations Textbooks for Undergraduates

[albema]

The following 4 of Differential Equations textbooks are the only option of mine:

Elementary Differential Equations with Boundary Value Problems, 2E
Werner Kohler, Lee Johnson
Addison Wesley

Differential Equations with Boundary Value Problems, 2E
John Polking, Al Boggess, David Arnold
Prentice Hall

A First Course in Differential Equations with Modeling Applications, 8E
Dennis G. Zill
Brooks Cole

Differential Equations, 3E
Paul Blanchard, Robert L. Devaney, Glen R. Hall
Brooks Cole

which one you guys think the best as undergraduate text?

Any advance would be much appreciated

 

[HallsofIvy]

I personally like Blanchard, Devaney, and Hall but they treat differential equations quite differently from others- include a lot more qualitative methods for non-linear equations at the expense of series solutions of linear differential equations. The other three you mention are perfectly good, standard textbooks.

 

[AiRAVATA]

I second that. Qualitative methods are, after all, the next step in your ODE formation, and I've always envied ppl with good intuition on ODE behavior.