its not politically correct, its true! for western-friendly indian food, this book (or related ones listed at the link below) is quite popular:
essentially anything by madhur jaffrey sells well.
for southern (particularly tamil and some telugu/kannada) indian food, meenakshi ammal's "samaithu paar" (cook and see) is *the* bible (warning: this book is not customized for a western audience):
https://www.vedamsbooks.com/no24481.htm
also see: http://www.bawarchi.com/ for recipes. my hindi is very poor, but i believe 'bawarchi' means 'cook'.
--ravi