Books like The 100 simple secrets of happy people

The 100 simple secrets of happy people by Niven, David reads as encouraging, practical. These 12 books share its genome — matched by how they actually read, not just their shelf label.

The happiness advantage

Shawn Achor · 2010

Both explore positive psychology & happiness

75% genome match

The how of happiness

Sonja Lyubomirsky · 2007

Both explore happiness & well-being

77% genome match

Tiny Habits

BJ Fogg · 2019

Same self-help feel

59% genome match

The Happiness Project

Gretchen Rubin · 2009

Both explore happiness

61% genome match

How to live 365 days a year

John A. Schindler · 1954

Both explore happiness & well-being

73% genome match

Authentic Happiness

Martin Elias Pete Seligman · 2002

Both explore positive psychology & well-being

73% genome match

The Power of Regret

Daniel H. Pink · 2022

Same nonfiction feel

61% genome match

Applied positive psychology

Stewart I. Donaldson · 2011

Both explore well-being

55% genome match

Control Your Mind and Master Your Feelings

Eric Robertson · 2019

Both explore personal growth

63% genome match

Ikigai

Chiemi Souen · 2021

Both explore well-being & happiness

64% genome match

Eat That Frog! 21 Great Ways to Stop Procrastinating and Get More Done in Less Time

Brian Tracy · 2001

Same self-help feel

63% genome match

Good Vibes, Good Life

Vex King · 2015

Both explore well-being

63% genome match