Free Kindle Book!!!!

I'm beginning to believe that I should invest in a kindle, Starting to love all these free downloads, This one is for kids, it's called Mac the Fire Truck and the Big Rig Fire (Adventures of Mac the Fire Truck) [Kindle Edition] It's free from Amazon. Not sure how long it will remain free, but get it while you can. Here is the link. http://www.amazon.com/gp/product/B007PXR6WA/ref=as_li_ss_tl?ie=UTF8&tag=coupounite-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B007PXR6WA