Best of 2021 · Top 10 Books

Best of 2021

The 10 highest-scoring books whose peak discussion occurred in 2021.

01
Debt: The First 5000 Years

Debt: The First 5000 Years

David Graeber
A revisionist economic history exploring how money and debt originated and functioned across human civilization. HN readers report it rewired their understanding of economics and offers fascinating insights into how debt doesn't always require repayment.
Score
79.8
Sent.
67.9/100
Positive
Subst.
82.9/100
Very Substantive
Diverse
100.0/100
Extremely Diverse
Story
69.4/100
Good Stories
Mentions
218
Threads
72
Commenters
156
02

The Three Body Problem

Liu Cixin
A hard science fiction novel featuring aliens and game-theoretic conflict, exploring themes of survival through stealth in a hostile universe. HN readers recommend it highly for fans of hard sci-fi and space battles, with one noting it as a rare recent Hugo winner they could endorse.
Score
76.6
Sent.
68.8/100
Positive
Subst.
68.4/100
Substantive
Diverse
100.0/100
Extremely Diverse
Story
69.7/100
Good Stories
Mentions
218
Threads
53
Commenters
169
03

A Deepness in the Sky

Vernor Vinge
A space opera featuring first contact with truly alien civilizations and terrifying technology in a future trading culture. HN community praises it as superior to similar works like Children of Memory, though it contains difficult content involving rape and torture.
Score
75.0
Sent.
66.8/100
Positive
Subst.
64.7/100
Substantive
Diverse
100.0/100
Extremely Diverse
Story
71.6/100
High-Quality
Mentions
113
Threads
40
Commenters
86
04

Moby Dick

Herman Melville
A sprawling novel combining gripping adventure with beautiful prose, digressions into maritime history and biology, and experimental narrative style. HN readers praise its depth and literary artistry, noting its continuing relevance as a significant work in literature.
Score
73.7
Sent.
66.9/100
Positive
Subst.
59.2/100
Substantive
Diverse
100.0/100
Extremely Diverse
Story
71.0/100
High-Quality
Mentions
132
Threads
30
Commenters
102
05

Guns, Germs, and Steel

Jared M. Diamond
A world history book explaining how geography and environment shaped the distribution of technological development across human civilizations. HN readers appreciate its ability to make history engaging and accessible, though some dismiss it as mainstream.
Score
72.8
Sent.
46.6/100
Mildly Positive
Subst.
87.5/100
Exceptionally Deep
Diverse
100.0/100
Extremely Diverse
Story
72.7/100
High-Quality
Mentions
82
Threads
31
Commenters
65
06

Salt, Fat, Acid, Heat

Samin Nosrat
A fundamentals-focused cookbook exploring the core elements of cooking: salt, fat, acid, and heat, with their properties and applications. HN users appreciate its emphasis on building intuition and tasting throughout the cooking process.
Score
71.6
Sent.
45.2/100
Mildly Positive
Subst.
78.4/100
Very Substantive
Diverse
100.0/100
Extremely Diverse
Story
88.6/100
Exceptional Stories
Mentions
23
Threads
11
Commenters
21
07

Hackers

Steven Levy
Cited for a quote about preconceived notions and the importance of understanding how the world is built rather than relying on randomness.
Score
71.2
Sent.
60.1/100
Positive
Subst.
59.9/100
Substantive
Diverse
100.0/100
Extremely Diverse
Story
71.9/100
High-Quality
Mentions
72
Threads
53
Commenters
67
08

The Structure of Scientific Revolutions

Thomas S. Kuhn
A foundational philosophy of science text examining how scientific paradigms shift and progress. HN readers describe it as a classic non-fiction work that remains essential reading.
Score
70.4
Sent.
43.6/100
Mildly Positive
Subst.
83.0/100
Very Substantive
Diverse
100.0/100
Extremely Diverse
Story
72.3/100
High-Quality
Mentions
34
Threads
22
Commenters
31
09

You and Your Research

Hamming
Referenced to support the argument that luck is involved in success but doesn't disprove the role of individual effort and ability.
Score
69.0
Sent.
60.3/100
Positive
Subst.
52.3/100
Moderate Depth
Diverse
100.0/100
Extremely Diverse
Story
67.9/100
Good Stories
Mentions
66
Threads
43
Commenters
58
10

Candide

Voltaire
An 18th-century satirical novella by Voltaire critiquing optimism and human suffering. HN commenters list it as a favorite classic work of literature.
Score
68.7
Sent.
44.6/100
Mildly Positive
Subst.
74.2/100
Very Substantive
Diverse
100.0/100
Extremely Diverse
Story
72.9/100
High-Quality
Mentions
39
Threads
28
Commenters
37