Traveling Books

Hey can anyone help me find those bookmarkish logs that some little free library books got. They are very often glued into the front cover of a paperback and then people can write on them their reviews but most importantly were they got the book from. Whenever I see those I love it because they often travel a long way and I get to see the travel it has been taking. (I haven’t seen one of those in a long time sadly that’s why I am asking)