A few reputable Sikh news outlets have written positive reviews of a recent book about 1984, by friend of Sikh Swim Gunisha Kaur. Take a look here. I haven’t read the book myself but I do have a copy of the first edition. :)
SikhPulse: Remembering the Sikh genocide of 1984

SikhChic: The Truth, The Whole Truth, & Nothing But The Truth:
Gunisha Kaur’s ‘Lost in History’