Several thousand people travel on the London underground daily where life is fully representative of the cosmopolitan nature and the diversity of everyday London. In Tales of the Underground, author Olayemi Karim offers a guide to help people understand the nuances and the cultural peculiarities of traveling in the city.

Olayemi, who commutes daily to the city for her job, began documenting the interesting experiences of her travels on the rails on both her Facebook page and blog. She records the unspoken rules and the expected behaviors in the London transportation network, for instance,...