《方根书简》是2016年起先后在PS4、PSV、PC、行动装置推出，累积销量超过50万套的文字
冒险游戏。
真人版电影于2018年发表，并在2019年开拍，现确定将于9月1日在美国部份戏院、影音平台
播出。
https://youtu.be/tWKuzbI_lV0
导演：Sonja O’Hara (周末惊魂、Doomsday)
剧本：David Ebeltoft (末日孤行、Blood for Dust)
演员
Danny Ramirez (捍卫战士：独行侠、猎鹰与酷寒战士)
Keana Marie (恋爱挑战书)
Mark St. Cyr (歌舞青春：再谱乐曲、五星飨魇)
Lydia Hearst (僵尸国度、Slayers)
剧情大纲
The film centers on Carlos (Ramirez), an impoverished teen from a fractured home
, as he attempts to reconnect with Sarah (Marie), a school pen pal after he rece
ives a desperate note from her claiming that she has killed someone. As Carlos t
ravels to Sarah’s hometown and investigates, he uncovers a criminal plot involv
ing Sarah’s fraught group of friends, and a chilling secret which has led to Sa
rah’s disappearance.