Ruth Laila Schmidt 
Urdu: An Essential Grammar [PDF ebook] 

Urdu: An Essential Grammar is a reference guide to the most important aspects of the language as it is used by native speakers today.
The complexities of Urdu are set out in short, readable sections. Explanations contain minimal jargon and emphasis has been placed on the aspects of Urdu that pose a particular challenge for English-speaking students.
Features include:
* language examples throughout in both Urdu script and romanization
* user-friendly layout
* detailed contents list
* comprehensive index.
Urdu: An Essential Grammar presents a fresh and accessible description of the language and will prove invaluable to students at all levels.