Sam Adams comes to Lorne’s shop in chapter 6. What is so urgent about his needs that it would cause Mr. Lorne, Rab, and Johnny to agree to break the sabbath?

Sam comes to the shop to tell Uncle Lorne about an uprising planned to interfere with the Eglish tea due to arrive in the harbor. He needs Uncle Lorne to print posters, and he wants the boys to inform the Boston Observers that there will be an emergency meeting.