diff --git a/cli/fileformat.py b/cli/fileformat.py
index adfd0bb..1708de4 100644
--- a/cli/fileformat.py
+++ b/cli/fileformat.py
@@ -7,9 +7,9 @@ import types
 # strings), 'l' (list of strings).
 fields = {
     'book':
-        [('isbn', 's'), ('title', 's'), ('category', 's'),
+        [('isbn', 's'), ('id', 's'), ('title', 's'), ('category', 's'),
          ('subtitle', 's'), ('persons', 'd'), ('publisher', 's'),
-         ('published_year', 'i'), ('edition', 'i'), ('num_pages', 'i'),
+         ('published_year', 'i'), ('edition', 'i'), ('pages', 'i'),
          ('series', 's'), ('description', 's'), # TODO picture, thumbnail
          ('references', 'd')],
     'person':
@@ -118,6 +118,12 @@ def read_action(text):
                        'd': read_field_value_dict,
                        'l': read_field_value_list }[ftype]
             result[field] = reader(d[field])
+        else:
+            result[field] = None
+
+    print 'final dict:'
+    print result
+
     return result
 
 def read_actionlist(text):