I offer 2 for 1 on any children's paperback on my bookshelf. They are tagged "pbp childrens paperback" (A friend gave me a couple of bags of these books, and I like to share the wealth.)

In addition, check out these -- unpostable but quite readable. One book free with your order:

Adult:

Welcome to Jesusland by Landover Baptist

Highland Jade by Stephanie Bartlett (one page not loose yet, but some separation from spine)

Shoot the Moon by Jake Page (spine cleaved, pages not loose)

The French Atlantic Affair by Ernest Lehman (staining on dust jacket flaps and facing non-text pages)

Children:

It's Not the End of the World by Judy Blume

The Winner (Gymnasts, Bk 4) by Elizabeth Levy,

J.T. by Jane Wagner

Nelly Bly, Reporter by Nina Brown Baker

Homer Price by Robert McCloskey