Dragon 3: Dark Moon Tide had already been published in the novel. Fictional Art was a well-known novel publishing platform that would adapt novels into comics, illustrations, and audio. Dragon 3: Dark Moon Tide has been released on the novel page. You can find its manga, illustration, and novel versions there. As for the time of publication, Dragon 3: Tide of the Black Moon was a novel, so it would be published by a publishing house. The exact time of publication depended on the book's author and date of publication. You can check the major bookstores or online bookstores to see if the book is for sale.