I understood is a problem in the fields 006, 007 and 008 there is written book. I tried to change in something other but return always in book. Daniel -- View this message in context: http://koha.1045719.n5.nabble.com/Field-856-not-visible-on-opac-tp4472424p4475712.html Sent from the Koha - Discuss mailing list archive at Nabble.com.