id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
eblip-9470	Williams, Heather R	Free E-Books May Increase Print Sales: A Study With Mixed Results	2011.0	2	.pdf	application/pdf	1000	41	52	However, the availability of free digital books did not always lead to increased print sales. Ultimately, however, the authors believe the data indicates that when free digital books are offered for a period of time longer than a week, without requiring registration, print sales will increase.	cache/eblip-9470.pdf	txt/eblip-9470.txt