Final answer:
In the book 'Max' by Sarah Cohen-Scali, Max receives a text threat from a classmate named Lukas.
Step-by-step explanation:
In the book 'Max' by Sarah Cohen-Scali, Max receives a text threat from two people. The second text threat comes from a classmate named Lukas. Lukas is angered by Max's success and popularity at school, and he sends a threatening message to intimidate Max. This event adds tension to the story and showcases the challenges that Max faces throughout the book.