Disney+ is officially moving forward with a  new Percy Jackson streaming series, which is sure to be a comfort to franchise fans disappointed by the lack of news on Disney+ Day. Disney+ describes Percy Jackson and the Olympians as “an epic adventure series.” According to Disney, the series is based on and “closely aligned” with Rick Riordan’s Percy Jackson novels. Published by Disney Hyperion, more than 180 million Percy Jackson books are in print globally. Riordan and Jon Steinberg (Black Sails, FX’s upcoming The Old Man) are writing the series’ pilot episode. James Bobin (The Mysterious Benedict Society, Dora and the Lost City of Gold) is directing. Steinberg is also overseeing the series with producing partner Dan Shotz. Steinberg and Shotz serve as executive producers with Bobin, Rick Riordan, Rebecca Riordan, Bert Salke, Monica Owusu-Breen, Jim Rowe, and Gotham Group’s Ellen Goldsmith-Vein, Jeremy Bell, D.J. Goldberg. Casting is now underway for the  Disney Branded Television series, produced by 20th Television. Riordan offered a video message confirming the news today.