By the Grace of Allah Taala so many useful books on Hajj are readily available on Hajj on the Internet already! Therefore, instead of adding up anything new on Hajj, for the ease of our valuable readers, we have just chosen the best (as much as possible) among those and given the links here. May Allah Taala provide us Tawfeeq to value these, read these, act upon these and finally accept us! Ameen!
Fazayel-e-Hajj (click to download)
Hajj merits and precepts by Mufti Muhammad Taqi Usmani (DB) (click to download)
Kitalbul Hajj (click to download)
Leaflet on Hajj, with sketches (click to download)
Leaflet on Hajj, what the Hajji should know (click to download)