“”My book is delayed among the printers,” wrote Walt Whitman in a letter to his friend John Burroughs dated September 10, 1866. “It is a little over half done, & they promise it shall be done, or mainly so, this week.” Whitman’s optimism was unfounded; The book in question, the fourth edition of Leaves of Grass, would not see print until 1867. He hoped it would be the final edition — he was wrong on that front too.” – The American Literary Blog (9/10/10 post).