2 Big Data and Hadoop E-Books are available at a special promotion. The reduced price is only valid for 1 week, so make sure to order soon! The offer expires on 21th of December and are available on the Kindle store. The two E-Books are:

• Big Data (Introduction); 0.99$ instead of 5$: Get it here
• Hadoop (Introduction); 0.99$ instead of 5$: Get it here

Have fun reading it!