shambolic analytics

For pandas

• pandas cookbook by theodore petrou
• pandas for everyone by daniel y chen

For machine learning and data science

• practical stats for data scientists
• python data science handbook
• introduction to machine learning with python
• python for data analysis
• hands-on machine learning with scikit-learn, keras & tensorflow
• master machine learning with scikit-learn by Kevin Markham

For regular expressions

• regular expressions cookbook

For grammar & writing

• The Chicago Manual of Style
• The Oxford English Dictionary (OED)

Other

• The Design of Everyday Things by Don Norman

For fun

• Dune series by Frank Herbert
• the filmmaker’s eye