The word capitalism rarely appears in popular textbooks for Economics 101.
During the 1930s Lovelock wrote the first of his numerous popular textbooks for college music students.
Many years later, they coauthored a popular textbook titled, "A course in higher mathematics".
He is also the author of a number of popular textbooks on theology.
I needed money, and a popular textbook was the way to do it.
He wrote many popular textbooks as well as making over 20,000 observations of variable stars.
At universities (as opposed to community and junior colleges) it was the fourth most popular textbook.
It is regarded as the most popular Chinese textbooks for foreigners all over the world at present.
He also wrote a primer on economics that, 50 years later, remains a popular introductory textbook around the world.
He is also the author of the popular textbook "The Cell".