This is the 13992nd most frequent German word.
gedruckten
"Printed."
'Gedruckten' is used as an adjective to describe the noun 'Bücher', conveying that the books are printed as opposed to handwritten or digital.
Die gedruckten Bücher liegen auf dem Tisch.
The printed books are on the table.
'Gedruckte' is used here as an attributive adjective without an explicit article, describing 'Artikel' as printed.
Sie bevorzugt gedruckte Artikel gegenüber digitalen.
She prefers printed articles over digital ones.
Here 'gedruckt' functions as the past participle of the verb 'drucken', indicating the action of printing.