says

Intrepid culinary travelers Jeffrey Alford and Naomi Duguid invite you to discover the unexplored flavors of the Indian Subcontinent. Uncover and explore the extreme diversity of the vast and varied region, from the Asian-influenced cuisine of Sri Lanka to the enchanting spices of southern India.

from the publisher

For this companion volume to the award-winning Hot Sour Salty Sweet, Jeffrey Alford and Naomi Duguid travel west from Southeast Asia to that vast landmass the colonial British called the Indian Subcontinent.…For people who love food and cooking, this vast region is a source of infinite variety and eye-opening flavors.