Judi Rever has written a very compact and readable book about Rwanda, called "Rwanda's 30-year assault on Congo."
It addresses the military incursion into Congo in 1996 by Rwanda's Kagame regime. That intervention brought about the overthrow of the Congolese government of Mobutu, and set the stage for Rwanda's plunder, over the past 30 years, of Congo's natural resources on behalf of huge Western corporations. This includes Canadian banks and mining companies.