Halcyon Days: Interviews with Classic Computer and Video Game Programmers is a digital book edited by James Hague and published in 1997. The book was originally formatted using HTML and sold via mail-order, shipped on a floppy disk by Dadgum Games for USD$20. In 2002, Halcyon Days was made freely available on the web. The book continued to be sold by Dr. Dobb's Journal, on a CD-ROM also containing Susan Lammers's Programmers at Work, until Dr. Dobb's shut down at the end of 2014.