Kids need to read, and many schools do not have dedicated libraries, are banning books, and/or are not teaching students how to read!
Many schools across the US do not have a dedicated way to teach children to read, and as a result, now many kids have trouble reading at their grade level, or even reading at all. Therefore, this website, along with many others, is trying to get books to these kids!
There are already many foundations helping with this, and by donating books to them your books may go to schools without libraries.
Here are some links to the rest of the website: