Lena Dunham adapting YA novel 'Catherine, Called Birdy' for film

Lena Dunham adapting YA novel 'Catherine, Called Birdy' for film
Lena Dunham has revealed she is adapting the YA novel "Catherine, Called Birdy" for the screen. (Thos Robinson / AFP/ Getty Images for The New Yorker)
Lena Dunham

, the writer, actress and filmmaker best known for her hit HBO show


has announced she's

the young adult novel "Catherine, Called Birdy" into film. The book by Karen Cushman, set in medieval England, follows a teenage girl who tries to resist the men her father wants her to marry.

Dunham made the announcement on Friday at the New Yorker Festival in Manhattan. "It’s hyper realistic and really pretty and it’s full of incest and beatings, but it’s a child’s story," Dunham said. "I’ve been obsessed with it since I was a kid."

Dunham, who previously wrote and directed the 2010 film

seems to realize that the adaptation might be a tough sell to studios, saying, "I just need to find someone who wants to fund a PG-13 medieval movie."

The film wouldn't be Dunham's first foray into literature. Her new memoir, "

," has become a bestseller, and has received mostly good reviews -- it even received a kind of


Jennifer Lopez

's personal trainer.