Domain Driven Design Quickly
Although I haven’t read the original Domain Driven Design book by Eric Evans; going by the excellent summary of the above book by Abel Avram and Floyd Marinescu, which is available here, I am convinced, the original book by Evans should be a must read.
If you cannot read the original book (since till date no Indian edition is available), at least read the summary in the DDD Quickly book and you might realize the importance of the word ‘Domain’ in the context of software development.