Here are some interesting and informative downloads for you:
(for academic purpose – the rights belong to the respective creators and publishers):
Trading_Bases_How_a_Wall_Street_Trader_Made_a_Fortune_Betting_on_Baseball_-_Joe_Peta
Algorithmic_Trading_with_Python_-_Chris_Conlan
Machine_Learning_in_Trading_-_QuantInsti_Quantitative_Learning