The National Literacy Trust have published their 2017 evaluation of the Books Unlocked programme.
“In 2016/17 Books Unlocked reached 43 settings, approximately 660 participants and distributed 1,250 books to reading groups in prisons, young offender institutions (YOIs), schools and libraries as well as to National Prison Radio (NPR) listeners. ”
Clem Pabion and Adam Holmes. Books Unlocked: evaluation findings. NLT, 2017