Taḥqīq mā li-l-hind min maqūlah maqbūlah fī al-ʿaql aw mardhūlah

Its expressive title, Taḥqīq mā li-l-hind min maqūlah maqbūlah fī al-ʿaql aw mardhūlah (“Verifying All That the Indians Recount, the Reasonable and the Unreasonable”), says it all; it includes all the lore that al-Bīrūnī could gather about India and its science, religion, literature, and customs. His only other…