D3js e-books

http://www.gtz.com/docs/.%5C_books%5CGetting_Started_with_D3.pdf

http://www.spatialcapability.com/Library/FOSS4G/Data%20Visualization%20with%20D3.js%20Cookbook.pdf

http://www.cc.gatech.edu/~stasko/4460/Notes/d3-lect.pdf

http://code4lib.org/files/Data-Driven_Documents__Visualizing_Library_Data_with_D3.pdf

Hadoop Illuminated by Mark Kerzner and Sujee Maniyam

http://hadoopilluminated.com/hadoop_illuminated/hadoop-illuminated.pdf

Best tutorials for Hadoop By hadoopip.blogpot.in

http://hadoopiq.blogspot.in/2014/08/best-hadoop-tutorial-pdf-for-biggnners.html

Hadoop Definitive Guide Book Pdf

http://javaarm.com/file/apache/Hadoop/books/Hadoop-The.Definitive.Guide_4.edition_a_Tom.White_April-2015.pdf