The vast majority of families take at least one vacation a year which usually involves traveling to a foreign city and seeing the sights of the downtown area. Yet there are challenges in traveling with young children which can result in added stress for the parents. A stay in a Toronto hotel alone while on business is a completely different experience from that of staying at a downtown hotel with two young children. Often by simply doing some research ahead of time, these stresses can be eliminated altogether.
Well, apparently they were back then and still are today for people of all ages. People are making the adult coloring books bestsellers on Amazon! At the time of this writing, eight of the top twenty books on the bestsellers list, are coloring books for adults. There must be something behind this recent growth in interest.