# Sophia Stallone Developing 'The Summer Of Broken Rules' For Amazon MGM

> Sophia Stallone and Sylvester Stallone team up to adapt K.L. Walther's YA novel for Amazon MGM.
- Title: Sophia Stallone Developing 'The Summer Of Broken Rules' For…
- Summary: Sophia Stallone and Sylvester Stallone team up to adapt K.L. Walther's YA novel for Amazon MGM. Amazon MGM Studios is developing a film adaptation of K.L…
- Keywords: sophia stallone, sylvester stallone, common era projects, balboa productions, k.l. walther, the summer of broken rules, amazon mvg studios, ya novel, film adaptation, entertainment, culture, Sophia
- Source: Deadline — https://deadline.com/2026/10/sophia-stallone-developing-the-summer-of-broken-rules-1237168915
- Author: Matt Grobar
- Published: 2026-10-21T16:15:00+00:00
- Read time: 1 min
- Topics: sophia stallone, sylvester stallone, common era projects, balboa productions, k.l. walther, the summer of broken rules, amazon mvg studios, ya novel, film adaptation, entertainment, culture
## Amazon MGM Developing Film
Amazon MGM Studios is developing a film adaptation of K.L. Walther's YA novel The Summer of Broken Rules from Sophia Stallone's Common Era Projects and Sylvester Stallone's Balboa Productions.
## Screenwriting Team
Lauren Hynek and Elizabeth Martin, screenwriters known for Disney's 2020 Mulan and Netflix's Spellbound, will adapt the script.
## Novel Background
K.L. Walther's 2021 bestseller centers on Meredith Fox, who lost her sister Claire 18 months ago and now seeks connection.
## Key takeaway

Amazon MGM Studios is developing a film adaptation of K.L. Walther's YA novel 'The Summer of Broken Rules' from Sophia Stallone's Common Era Projects and Sylvester Stallone's Balboa Productions.