“Books are the carriers of civilization”

Books are the carriers of civilization. Without books, history is silent, literature dumb, science crippled, thought and speculation at a standstill.

Barbara W. Tuchman, historian & author, 1912 -1989

Is this still true? It WAS true, certainly, and there is NO substituting the power of the book, but WILL it remain true in an age of digital media?