Kindle has been mentioned...
you can download free classic books! Treasure Island and kidnapped as good as they ever were! :) Using my smartphone app not an actual Kindle but I guess it's the same.
(bottle_cap, Fri 11 Nov 2011, 22:44, 7 replies)

more free books
library.nu/
(Gritty, yet fluffy. kipperpillock is obsessed with me =), Sat 12 Nov 2011, 0:43, closed)

more more free books
www.manybooks.net/ -- very easy to use, practically any format
www.mobileread.com/ -- latest device reviews, too
( Squilliam but . . . . *I'm* the one with all the talent!, Sun 13 Nov 2011, 15:20, closed)

thanks!

(Gritty, yet fluffy. kipperpillock is obsessed with me =), Mon 14 Nov 2011, 4:14, closed)

And you get free Internet if you pay a little more for the 3G version

(Captain Skippy pooed in a bag and left it on your doorstep, Sat 12 Nov 2011, 7:55, closed)

Oddly, you will find those same classic books - to borrow for free - in your local library, this saving the cost of the Kindle in the first place. As libraries are having their funding cut these days the classic books might be all you can find in there but nevertheless...
(Slave to Percy, Sat 12 Nov 2011, 20:25, closed)

you can download kindle reader software - for free - directly to your laptop (or desktop)
thus saving the cost of having to cut down our forests to make paper books.
(Gritty, yet fluffy. kipperpillock is obsessed with me =), Mon 14 Nov 2011, 4:23, closed)

also,
you can now pirate books! Arrrr
(teasus likes tea, Mon 14 Nov 2011, 20:02, closed)