The Little Mouse's Tail is an illustrated children's book based on old Persian fable about a little mouse that has a problem she needs help with. But, in order for others to help her find a solution to her problem, she has to help the others find solutions to their problems. 
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The moral of the story is that, rather than wallow in misery because you have a problem, it is better to find a solution for your problem. Asking others for help, can be a part of that solution.