As-Salaamu Alaykum,
Books that are published by the admin of Ahl ul-Kahf Blog are on the sister blog: http://www.mihbarah.wordpress.com.
The latest publication is a translation into English of a treatise about the treatment for Evil Eye and envy by Shaykh Khalid al-Hibshi.
All translations are free to download directly from the online repository Archive.org.
The Companions of the Cave 