r/datascience · 2021
Most-mentioned books in r/datascience during 2021
This page ranks books by exact tracked mentions in r/datascience within the published source unit for 2021. Counts come from the reconciled subreddit-by-month matrix; a source unit may be a bounded sample.
#1 Hands-On Machine Learning with Scikit-Learn, Keras, and TensorFlow
Aurélien Géron
Aurélien Géron's end-to-end ML textbook: build a working neural net with Scikit-Learn, Keras, and TensorFlow before you finish the first half.
#2 Trustworthy Online Controlled Experiments
Ron Kohavi
The A/B testing manual that Google, Microsoft, Facebook, and LinkedIn all point at when someone asks how to run experiments correctly.
#3 Cracking the Coding Interview
Gayle Laakmann McDowell
The book that turned software hiring into a sport — written by the ex-Googler who introduced programming challenges to the process in the first place.
#4 Designing Data-Intensive Applications
Martin Kleppmann
A backend engineer's field guide to the tradeoffs behind every database, queue, and distributed system you will ever touch.
#5 The Pragmatic Programmer
Andy Hunt
Two veterans hand you a checklist for the craft: don't write code you don't need, own your tools, and fix the broken window before someone else does.
#6 A Mind for Numbers: How to Excel at Math and Science
Barbara Oakley
A failed math student becomes an engineering professor, then writes the manual on how the brain actually acquires hard skills.
#7 Clean Code
Robert C. Martin
The book 536 Reddit threads cite when arguing about naming variables — revered by beginners, argued over by seniors.
#8 Design Patterns
Erich Gamma
The 1994 Gang of Four catalog that named 23 object-oriented patterns, gave developers a shared vocabulary, and taught a generation to over-apply both.
#9 Python Crash Course
Eric Matthes
The author built it for high school students who kept getting lost — 126 Reddit mentions later, it's still the default first Python recommendation.
#10 Structure and Interpretation of Computer Programs
Harold Abelson
MIT's 1985 Scheme textbook that 319 Reddit commenters have recommended and a noticeably smaller number have finished.
#11 The C Programming Language
Brian W. Kernighan
The 1978 book that defined C's syntax, co-written by its creator, still cited by name 281 times across Reddit in 7 years.