Step 1: Understanding the book.
The book "A Thousand Suns" is written by Dominique Lapierre. It is a historical fiction novel that focuses on the lives of individuals during the time of the partition of India.
Step 2: Analyzing the options.
- (a) E.M. Forster: Incorrect. Forster is a famous writer, but he is not the author of "A Thousand Suns."
- (b) Dominique Lapierre: Correct. Lapierre is the author of "A Thousand Suns."
- (c) Partha Chatterjee: Incorrect. Chatterjee is a political scientist, not the author of this novel.
- (d) Irving Stone: Incorrect. Stone is known for other books but not "A Thousand Suns."
Step 3: Conclusion.
The correct answer is (b), as Dominique Lapierre is the author of "A Thousand Suns."