In March 2017 Mike Mearls, Mike Carr, and Chris Doyle announced that Goodman Games had entered a partnership with Wizards of the Coast to publish a collector's edition of "The Keep on the Borderland" and "In Search of the Unknown". In January 2018 Goodman Games announced that the hard back book would be 380 pages in length and contain digital scans of the originals, 5th edition conversions, additional new content, and "testimonials." The Goodman Games reprint entitled "Into the Borderlands" appeared in May 2018 as volume one of "Original Adventures Reincarnated."