Today i am thinking about serialization in Python and pickle module, for that started searching in google for a good article about Python serialization . After searching in google finally found a nice link about serialization , please check the below .
http://www.bogotobogo.com/python/python_serialization_pickle_json.php
One more Python third party module (Dill) which covers almost all Python objects serialization and also it overcome some of the issues with Python inbuilt module Pickle in terms of multiprocessing .
Package download link
https://pypi.python.org/pypi/dill
Module Documentation
Power Of Python 
The link http://matthewrocklin.com/blog/work/2013/12/05/Parallelism-and-Serialization/ is broken
sorry for inconvenience causing through the link , will update soon about this one.