Tegan And Sara‘s memoir High School is being adapted for a TV show.The twin music duo’s best-selling book, which documents their formative years, is being adapted as an original series for Amazon’s free, ad-supported streaming service IMDb TV.Variety reports that the musicians will executive produce the series with writer-director Clea DuVall (Happiest Season), with production helmed by Amazon Studios and Brad Pitt’s Plan B Entertainment.A working description of the forthcoming series reads: