Awesome price, but worrisome for the state of high quality digital publications. I feel that this is worth much more than $2.99, and I am afraid that it will be

Awesome price, but worrisome for the state of high quality digital publications. I feel that this is worth much more than $2.99, and I am afraid that it will become a race to the floor . Does anyone involved in print publications know what the cost distribution is on a book's sticker price?