I forgot the big resource.  I got a free kindle app on my phone from amazon.com.  

I read to the kids while they run around in the yard.  I have a free full version copy of My Fathers Dragon and Alice in Wonderland and a few chapters of elementary school life science from here
http://eequalsmcq.com/classicsciinf...paign=LabNotes+May+2012&utm_medium=email

Speaking of subscriptions I get an emailed math problem every day from
Scroll to the bottom & sign up
http://bedtimemathproblem.org/

Can you get a kindle app on a laptop?

Youth lives by personality, age lives by calculation. -- Aristotle on a calendar