The below script will take some time, but it will accomplish your wish.
myBookFile = File.openDialog("Choose the BOOK File", "INDB:*.indb", false);
app.open(File(myBookFile.fullName.toString()));
var myBook = app.activeBook;
for(var n=0; n < myBook.bookContents.length; n++)
{ app.open(File(myBook.bookContents[n].fullName.toString())); for (var i = 0; i < app.activeDocument.allPageItems.length; i++) { var myPageItem = document.allPageItems[i]; if(myPageItem.getElements()[0].constructor.name == "TextFrame") { myPageItem.select(); try{ app.scriptMenuActions.itemByID(71442).invoke(); }catch(e){} } } app.activeDocument.close(SaveOptions.YES);
}
app.activeBook.close(SaveOptions.YES);
Vandy