What stands out about this textbook is the index, which makes finding topics quick.
Product Tag: Robert E. Collin
Foundations for Microwave Engineering by R. E. Collin, Hardcover, VG
This textbook is the one I used for my final year project research.
Foundations for Microwave Engineering, Hardcover 1st Edition, McGraw-Hill Series
You will find that this textbook is easy to carry around between classes.