These Bark Notebooks are beautiful scary – so real-looking you expect the feel of real bark and moss when you mentally touch them.
Many people, other than the authors, contribute to the making of a book, from the first person who had the bright idea of alphabetic writing through the inventor of movable type to the lumberjacks who felled the trees that were pulped for its printing. It is not customary to acknowledge the trees themselves, though their commitment is total.
Richard Forsyth and Roy Rada, Machine Learning
as read in The Little Bookstore of Big Stone Gap by Wendy Welch.