Advanced Engineering Mathematics by Erwin Kreyszig (1998, Hardcover)
This textbook was recommended by my instructor for the advanced module.
Advanced Engineering Mathematics, 8th – Hardcover, by Kreyszig Erwin – Very Good
A nice touch in this textbook is the list of common mistakes to avoid.
Advanced Engineering Mathematics, 8th Edition, Kreyszig, Erwin, Good Book
What stands out about this textbook is the summary of each chapter in bullet form.
Advanced Engineering Mathematics Erwin Kreyszig Hardcover 1999 USA 8th Ed, good
You will find that this textbook breaks down difficult topics into manageable chunks.