Assalaamualikum
Alhamdulillah, Al-Haqqul Mubeen Number 3 is now available online via the following link:
https://custodiansofthehaq.co.za/wp-content/uploads/2018/08/Al-Haqqul-Mubeen-No.-3.pdf
Please feel free to read and download the above and also to share with family and friends.
Jazakumullahu Khairan
Was-Salaam