No, you're not dreaming. A TV series based on the groundbreaking Vertigo comic series Sandman is headed to Netflix from executive-producers Neil Gaiman and David Goyer, according to THR. Wonder Woman screenwriter Allen Heinberg is set to pen the series and serve as showrunner. Gaiman created the monthly comic for Vertigo in 1989, and artists on the book included Sam Kieth, Mike Dringenberg, Jill Thompson, Shawn McManus, Marc Hempel, and Michael Zulli. The report notes that Netflix paid a massive price tag for the series, the most expensive TV deal that Warner Bros. has ever conducted. Attempts to …