adding sources

bookbans.txt

@@ -34,4 +34,5 @@ Over the last three school years, book bans occurred in 43 states and 415 public
 As noted in our methodology, our snapshot of the total number of book bans and the distribution of book bans across states and districts are likely an undercount.
 Book bans from schools and districts often go under-reported or unreported.  
 As consistently reported since our first report in 2021, book bans continue to deliberately target specific themes, content areas, and representations.
-Disproportionate to publishing rates, book bans overwhelmingly affect books about race and racism, LGBTQ+ people and characters, people and characters of color, and books with sex-related content.
+Disproportionate to publishing rates, book bans overwhelmingly affect books about race and racism, LGBTQ+ people and characters, people and characters of color, and books with sex-related content.
+All information is from PEN America's Banned in the USA 2024 report.