"جو عقل مندوں سے میں نے سنا سو نظم میں لایا میں نے بِنا" (Whatever I heard from the wise, I brought into verse.)
If you prefer a physical book, several scholarly volumes are available through major retailers: Shahnama: The Book of Kings | Asia Society shahnama firdausi urdu pdf work
in 1010 CE, stands as the most significant national epic of the Persian-speaking world. Comprising roughly 60,000 couplets "جو عقل مندوں سے میں نے سنا سو