This lot includes two books:Math Work Stations: Independent Learning you can count on , k-2INSTANT MATH CENTERS: Hands on Independent math Activities These are two excellent books if you are a hands-on teacher or want to be,And if you need independent centers to keep students busy while you teach small groups. I am a recently retired teacher and would be happy to combine shipping to save you money.Please check out my other listings to see if there is anything else that you may be interested in so we can combine shipping. Media Mail can only combine with Media Mail.But if you buy a lot that is not Media Mail, I can combine the books with it for shipping. I also accept reasonable offers