Flexible Glue

What is a good glue to fix the books necessary?

I have some limited edition books which must be repaired in the link. I need a flexible tail with a solid support.

http://www.google.com/search?sourceid=navclient&ie=UTF-8&rls=RNWE, RNWE :2005-19 RNWE: en & q = book + Union + glue