Wtf does that have to do with it?

There are many more books that deal with the issue to varying degrees that are both older and newer so I dont know what you are on about?

Are you a homosexual? 

 Was just commenting that I thought the chart was from the book “the bell curve” early 90s. 
Settle the fuck down mf, I was agreeing.
🧡👊🏻🍻 

 very good then. 

 Here:

https://ostarapublications.com/product/race-and-racial-differences/ (2022)

https://ostarapublications.com/product/the-biology-of-the-race-problem/ (1962)

https://ostarapublications.com/product/iq-and-race-the-complete-overview/ (2019)

https://ostarapublications.com/product/race/ (1974)