I want to buy book which helps on spiritual path and which would you recommend and how to buy?
wa ‘alaykum salam.
I recommend The Sufi Science of Self-Realization:
Shaykh Muhammad Hisham Kabbani, shaykh of the Naqshbandi Sufi Tariqah, has composed a treatise on the geography of the soul, beginning with the seventeen destructive traits of the heart…
It is available at isn1.net.