“Iona Iverson’s Rules for Commuting: 1. You must have a job to go to, 2. Never talk to strangers on the train, 3. Don’t consume hot food, 4. Never give up a seat once occupied, 5. Always pack for any eventuality. “Life is hard, Sometimes we just need to read a book that has a happy ending, renews our faith in humankind and reminds us that we should care about strangers.