The "Search For:" button is useful for scanning your list if you have a particular title in mind. Pressing this button will enable the "search string field" into which you may type in the Volume Name that you seek. You may type in the whole name or a part of it, the search will examine all records in the list and display them if they match the search string. When you find the item that you were looking for and wish to view the contents click on "View Contents" button where you will be returned to the main screen where the volume name will be highlighted and the contents list displayed.