Prison Book Programme (Prisonbookprogram.org) is an organisation that sends free books to prisoners.
You can find more information about them here:
Books can be sent to:
1306 Hancock Street, Suite 100
Quincy, MA 02169
Please only send paperback books that are either new or gently used. They cannot accept self-published books.
Please check out the guidelines before sending books (not all books can be used)
Some suggested books:
All The Weight of Our Dreams: On Living Racialised Autism. https://autismandrace.com
Transcendent 2, the years best transgender speculative fiction. https://www.amazon.com/Transcendent-Years-Transgender-Speculative-Fiction/dp/1590216628/ref=sr_1_1?ie=UTF8&qid=1522873849&sr=8-1&keywords=Transcendent+2