Here is what some popular guidebooks have said about them.
In fact, the names of these spas, most of which have opened in the last few years, often don't even appear in the most popular guidebooks.
One popular guidebook damns the Mala Strana quarter, founded some 700 years ago, as being "almost too picturesque for its own good."
But Victoria Goldman, author of a popular guidebook to the city's private schools, wonders if struggling families shouldn't consider public alternatives.
Harry Griffin - Lakeland diarist and friend of Wainwright's, who nonetheless disapproved of the damage to the fells that the popular guidebooks could cause.
His son, Herman Nelson, continued his father's acculturation by following farming practices in keeping with the popular agricultural guidebooks of the day.
He wrote a popular immigrant guidebook, co-founded Dayton, Oregon, and served as a controversial Indian Affairs administrator.
It was a popular guidebook for immigrants for the next ten years.
Legal is also included in Patricia Schultz's popular guidebook, "1,000 Places to See Before You Die."
From its bright red cover and small size I recognized it as a popular guidebook on Indonesia and Malaysia.