How-to: 1) Make sure you can read all PDF files on Scuolabook Reader. 2) Run Scuolabook DRM Remover. 3) Decrypt your books. Note: It is recommended to use Scuolabook version 3.0.3 and refuse all updates because the encryption algorithm may change making this tool useless. Hex For any further help or information, see Hex's own blog at https://thisishex.wordpress.com/scuolabook-drm-remover/ Harper.