In the Xanth collection by Piers Anthony, the Naga really are a race of human-headed serpents that could change between absolutely human and serpent sorts, which include any species and measurement of snake. Phaya Nak or Phaya Nāga (Thai: พญานาค; RTGS: phaya nak; lit. 'lord of Nāga', phaya derived from https://linknaga2682581.qodsblog.com/30499951/login-naga26-an-overview