two booksIf you start on those two books and then
record booksPrevious record books had been rather austere collections of lists,’ he recalls.
book and articles
reference booksGeneral reference books
range of booksPublishers today have provided teachers of history with a wide and varied range of books for class use.
number of booksNo minimum number of books to buy.
many booksIf you are still not sure, just remember that it is better to have too many books than too few.