average textbook cost
1 The total cost of books at a college level will usually be much higher. 2  Depending on the number of credits, the price can vary from $200-$1000 per semester. 3  According to CollegeBoard.com, the national average for college textbooks is $1,137 per year. For example, their Grammar book is only $15. 2  The total cost of books at a college level will usually be much higher. 3  Depending on the number of credits, the price can vary from $200-$1000 per semester.