Alfred Huang I Ching Pdf =link= -

: Offers a digital lending version of the 1998 edition for those with an account.

If you are trying to learn the "Kingly Sequence" or the logic behind the Hexagram numbers, Huang is superior. He includes clear explanations of the numerical relationships and the Lo Shu square (Magic Square), which are often glossed over in PDFs of older public-domain texts. alfred huang i ching pdf