Shanghai Pudong Airport / bullet train to Nanjin/luggage storage back to USA

Thanks for a great site...... many questions to ask.
* Arrive in Pudong from Changsha on China Easter airline.
* Which baggage-storage for 2 days , flying out from Pudong back to USA on American Airline.
* Where to buy bullet train tickets at Pudong airport to Nanjing
*. Tour trip to Massacre Museum by Japanese

if not....what options seeing the Museum
* days of opening, time open & close.
* address ..... any special buses for tourists ..... how to get there by taxi
* any English guide
many thanks in answering my questions.