about this, i will. reporter: the idea took off. year after year, the green book grew, providing resources for all 50 states. everything from lodging to restaurants, to beauty shops, to barber shops, mechanic shops, later on, doctor s offices, dentists, pretty much anything you need on the open road. reporter:s athe book gained popularity, it also picked up a major sponsor. once standard oil got involved, they hired professional market tears and set up an office in new york and hired men with training and then they started training men how to run their own service stations and from there, they could sell more green books. today, ramsey takes hits children s book to elementary schools bringing old tales to a new audience and picking up on a green that the cre a ter of the green book held dearly.