diff --git a/caliGraph.py b/caliGraph.py
index df7ba65..b95f08b 100755
--- a/caliGraph.py
+++ b/caliGraph.py
@@ -508,7 +508,7 @@ def genScores(G, books):
     return globMu, globStd
 
 
-def recommendNBooks(G, mu, std, n, removeTopListsB=True):
+def recommendNBooks(G, mu, std, n, removeTopListsB=True, removeUselessRecommenders=True):
     removeRestOfSeries(G)
     removeBad(G, mu-std-1.5)
     removeKeepBest(G, int(n*2) + 5, maxDistForRead=1.5)
@@ -526,7 +526,8 @@ def recommendNBooks(G, mu, std, n, removeTopListsB=True):
     removeKeepBest(G, n, maxDistForRead=0.75)
     removeEdge(G)
     removeDangling(G, alsoBooks=True)
-    removeUnusedRecommenders(G)
+    if removeUselessRecommenders:
+        removeUnusedRecommenders(G)
 
     scaleBooksByRating(G)
     scaleOpinionsByRating(G)
@@ -649,6 +650,7 @@ def cliInterface():
     parser.add_argument('--no-list', action="store_true")
     parser.add_argument('--remove-edge', action="store_true")
     parser.add_argument('--keep-top-lists', action="store_true")
+    parser.add_argument('--keep-useless-recommenders', action="store_true")
     cmds = parser.add_subparsers(required=True, dest='cmd')
 
     p_rec = cmds.add_parser('recommend', description="TODO", aliases=['rec'])
@@ -678,7 +680,7 @@ def cliInterface():
         removeUnread(G)
 
     if args.cmd=="recommend":
-        recommendNBooks(G, mu, std, args.n, not args.keep_top_lists)
+        recommendNBooks(G, mu, std, args.n, not args.keep_top_lists, not args.keep_useless_recommenders)
     elif args.cmd=="read":
         readBooksAnalysis(G, args.min_rating, args.all_tags, args.only_connected, not args.keep_top_lists)
     elif args.cmd=="analyze":