books shirk is the worst of sins
If you do not find what you're looking for, you can use more accurate words.
# ugliest sins
# Shirk is uglier
# Shirk is the greatest sin
# Remembrance of those who walk away from sins and abominations
# The ugliest thing about the Shiites in the Imamate
# ugliest crimes
# ugliest names
# get ugly
# expiation for sins..
# Sins and sins
# What are the minor and major sins?
# What are the major sins?
# How is salvation from sins?
# How do I repent of sins?
# What are the minor sins?
# How do I let go of sins?
# How do I stay away from sins?
# How do we erase sins?
# How do I cleanse my heart of sins?
# How does God forgive major sins?
