Here's info on two summer reading programs that will earn you free books.
With Cici's Pizza's Feed Your Brain campaign, children ages 10 and under who read at least 15 minutes per day, 5 days per week receive a free children's buffet at CiCi's or a $3 coupon to Half Price Books. The program runs through July 31st.
Students in grades 1 through 6 can also earn free books through Barnes and Noble's Summer Reading Program. Students who read 8 books will be rewarded with 1 free book. This program runs through September 2.
Here are some additional sources of discount homeschool books!