The phrase "a set of textbooks" is correct and usable in written English.
You can use it when referring to a collection or group of textbooks that are related or used for a specific purpose, such as a course or subject.
Example: "For the upcoming semester, students are required to purchase a set of textbooks that covers all the necessary topics for the course."
Alternatives: "a collection of textbooks" or "a group of textbooks".
Also on display are a set of textbooks entitled American Language Course, Level IV.
He then brought out a set of textbooks, called "New Concept English," and asked which level Min thought she was.
He also said the school had given a set of textbooks to Fairfax County Supervisor Gerald W. Hyland (D-Mount Vernon), who has a county employee translating them.
A pledge by Britain to provide schoolbooks for a generation of children in Lebanon, designed to ensure that every child aged between the ages of 6 and 15 who attends state school in the country has a set of textbooks covering key academic subjects, takes the total of Britain's contribution to just over £600 million.
Another example of critiquing system using recommendations as a knowledge base is the ISABEL system [ 33], which relies on a set of textbook and native language processing tools for producing reminders related to diagnosis.
Having one canonical version will make it easier to proselytise, especially in schools: revivalists hope to offer a set of Cornish textbooks to pupils from next year.
Last week the government approved a set of school textbooks that dilute references to wartime atrocities, including the forcing of "comfort women" into brothels by Japan's imperial army.
Obviously, "We the people" need to buy newsroom bean counters a set of journalism textbooks, perhaps highlighting the chapter on how to avoid becoming a tool.
"Within a few weeks, every child in primary school will have a set of core textbooks," added UNICEF Representative in Zimbabwe Dr. Peter Salama.
We are not able to provide exhaustive citation of a literature that is vast and plentiful, but we point the reader to a set of classical textbooks that reflect the state-of-the-art.
Teacher: I'd like to know what your lesson plan suggests when Harold Hounchell sends a full set of textbooks through a closed window?
