Al-Hujjah Publications & Masjid Rahmah Presents "Questions and Answers pertaining to learning the fundamental principles of the creed & clarafication of the obstacles which hinder imaan" By Shaykh Al-Allaamah Abdur Rahman ibn Nasr as-Sa'dee( May Allaah have mercy upon him).
Below is a link to view the book,which Insha Allah will be available the end of this month.
Umar ibn Abdil-'Aziz(rahimahullah)said: Become a scholar if you are able. If you are not able, then be a student. If you can not,then show love for them. If you are unable to do that,then(at least)do not hate them.