The Asrar-Nama was written to be meditated upon, not read quickly. Take time to reflect on the moral or spiritual lesson at the end of each discourse.
The Internet Archive holds several digitized lithographs of the Asrar-Nama in the original Persian. Search for: (use the Persian spelling). You will find 19th-century Tehran editions. While not an English PDF, having the original poetry is a goldmine for Persian readers. book of secrets attar of nishapur pdf