Charlie's attached to write and direct an adaptation of Iain Reid's novel I'm Thinking of Ending Things for Netflix. Says Deadline:

The story follows Jake on a road trip to meet his parents on their secluded farm with his girlfriend who is thinking of ending things. When Jake makes an unexpected detour, leaving her stranded, a twisted mix of palpable tension, psychological frailty, and sheer terror ensues. (Source)

 Charlie will be producing it alongside Anthony Bregman (who also produced Human Nature, Eternal Sunshine and Synecdoche, New York) and Stefanie Azpiazu.

Says /Film:

Our own Chris Evangelista read this book last fall. He called it a “pitch-perfect exercise in ever-mounting dread,” and says that it has the “strange, ghastly, borderline manic feel” normally seen in the work of David Lynch. Echoing those sentiments, the official Amazon review for the book says “each successive chapter the suspense and psychological buzz gets more intense. It’s like a movie where you almost want to turn away, but of course you can’t.” (Source)

They also offer up the book's trailer:

Big thanks to J. Daniel Shaffer‎ for the heads up!

Additional information