BOOKS. QUESTIONS. A WORLD OF POSSIBILITIES.

Step inside the ideas.

Find your next book. Understand its ideas. Then follow your curiosity further with Klari.

Find your next idea
A whole library of possibilities. Start with one.

Books become understanding with Klari. AI analyzes a book and condenses its ideas into a clear summary: make the first step easy, shape your environment, and repeat what matters. Read or listen, then connect the ideas in your mind.

Big ideas. Clearly explained. Understand more. In less time.

THE KLARI LIBRARY

39,000+ books

Books to explore.
Ideas to make your own.

Follow your curiosityPsychology, Personal Growth, Business, Science, History, and Philosophy.

25+languages

Feel at home in the ideas.

English, Spanish, French, Portuguese, Arabic, Urdu, German, and Italian.

Read.Listen.Question.

Make the ideas yours.

YOUR PERSONAL LEARNING PROGRAM

Turn curiosity into a clear path.

Choose a topic you want to understand. Klari brings together the right books and builds a daily learning plan around your time.

Books by category 19 categories

  • History7,484 books
  • Memoir5,711 books
  • Politics3,892 books
  • Arts3,275 books
  • Philosophy2,934 books
  • Biography2,613 books
  • Society2,557 books
  • Journalism2,020 books
  • Spirituality1,498 books
  • Science1,395 books
  • Classic1,142 books
  • Economics1,135 books
  • Nature824 books
  • Education751 books
  • Psychology748 books
  • Self-help680 books
  • Health544 books
  • Business437 books
  • Technology221 books

Scroll sideways or use the previous and next buttons to browse all categories and their book counts.

My Learning Program

INTERACTIVE SAMPLE
  1. 1Topic
  2. 2Books
  3. 3Schedule
  4. 4Your path
YOUR CURIOSITY. A CLEAR DIRECTION.

What would you
like to understand?

Klari finds relevant book summaries, orders them from beginner to advanced, and fits the path to your day.

Try one of these prepared sample topics.

The books. The right order.
A pace that works for you.

Choose a topic, then shape a path around your time.

A prepared program preview. Try the controls, or hover to watch the complete flow.

LESS SCROLLING. MORE LIGHTBULB MOMENTS.

Go on. Try a little Klari.

One book. A few different ways to see things.

Auto demo · Silent preview
01 / A KEY IDEA

TAKE IT INTO YOUR DAY

Original sample · Inspired by the book’s ideasAbout the book
25 prepared demo languages. App translations and narration depend on Klari’s supported options; device voices may vary.

UNDERSTAND THE BOOK. QUESTION THE DETAILS.

Klari Mastery.

Explore a book’s background, summary, key insights and sources. Then cross-question its facts, figures and reasoning with Klari AI.

Sapiens: A Brief History of Humankind by Yuval Noah Harari
HistoryBig history

SapiensA Brief History of Humankind

Yuval Noah Harari

Hebrew · 2011

Overview, brief & insightsAudio

Look behind the numbers.

APP SNAPSHOT
Editions & languages
86 editions / 13 languages
Readers who want to read
5,099
Reader ratings on record
204

Open Library · Klari book record snapshot.

INFLUENCENot measured yet

The book’s Wikidata record has not been matched. Missing information is shown as unknown.

LOOK CLOSER AT THE SOURCE

References, with context.

See what each mark means—and when a reference needs a manual review.

ONE BOOK. A NEW WAY TO SEE.

Klari Knowledge
Library.

Stories, ideas, and perspectives from around the world. Find your next book in this collection of 100 titles.

  1. 2016

    Ikigai

    Héctor García & Francesc Miralles

  2. 1997

    The Four Agreements

    Miguel Ruiz

  3. 2016

    Born a Crime

    Trevor Noah

  4. 2007

    A Long Way Gone

    Ishmael Beah

  5. 2015

    The Secret Life of the Mind

    Mariano Sigman

  6. 2022

    Get Epic Shit Done

    Ankur Warikoo

  7. 2018

    Factfulness

    Hans Rosling

  8. 2022

    Doglapan

    Ashneer Grover

  9. 2009

    The Boy Who Harnessed the Wind

    William Kamkwamba

  10. 1969

    Papillon

    Henri Charrière

  11. 2018

    Do Mil ao Milhão

    Thiago Nigro

  12. 2023

    Beyond the Story: 10-Year Record of BTS

    BTS & Myeongseok Kang

  13. 1999

    Amar o depender

    Walter Riso

  14. 2012

    El poder del metabolismo

    Frank Suárez

  15. 2015

    O Poder da Ação

    Paulo Vieira

  16. 1984

    My Life in Crime

    John Kiriamiti

  17. 2017

    Seja Foda!

    Caio Carneiro

  18. 1986

    Kaffir Boy

    Mark Mathabane

  19. 1991

    My Feudal Lord

    Tehmina Durrani

  20. 1993

    Zlata's Diary

    Zlata Filipović

  21. 2002

    Wise and Otherwise

    Sudha Murty

  22. 2018

    Especialista em Pessoas

    Tiago Brunet

  23. 2003

    Reading Lolita in Tehran

    Azar Nafisi

  24. 2020

    El duelo

    Gabriel Rolón

  25. 2018

    Todo Dia a Mesma Noite

    Daniela Arbex

  26. 2016

    A Morte É um Dia que Vale a Pena Viver

    Ana Claudia Quintana Arantes

  27. 2019

    The Joys of Compounding

    Gautam Baid

  28. 2015

    Ainda Estou Aqui

    Marcelo Rubens Paiva

  29. 2006

    Miracle in the Andes

    Nando Parrado

  30. 2003

    Mentes Inquietas

    Ana Beatriz Barbosa Silva

  31. 2012

    Ya te dije adiós, ahora cómo te olvido

    Walter Riso

  32. 2022

    India, Bharat and Pakistan

    J. Sai Deepak

  33. 2003

    Funny in Farsi

    Firoozeh Dumas

  34. 2015

    The Child in You

    Stefanie Stahl

  35. 2018

    El poder de confiar en ti

    Curro Cañete

  36. 1951

    Kook en geniet

    Ina de Villiers

  37. 2014

    Pablo Escobar: My Father

    Juan Pablo Escobar

  38. 1999

    Stolen Lives

    Malika Oufkir

  39. 2005

    No god but God

    Reza Aslan

  40. 1985

    The City of Joy

    Dominique Lapierre

  41. 1985

    Moments of Truth

    Jan Carlzon

  42. 2004

    Los ojos de mi princesa

    Carlos Cuauhtémoc Sánchez

  43. 2010

    Corporate Chanakya

    Radhakrishnan Pillai

  44. 2008

    O Código da Inteligência

    Augusto Cury

  45. 2012

    Chairul Tanjung Si Anak Singkong

    Tjahja Gunawan Diredja

  46. 2013

    Zealot

    Reza Aslan

  47. 2012

    Desapegarse sin anestesia

    Walter Riso

  48. 2021

    Por si las voces vuelven

    Ángel Martín

  49. 1992

    Faça Fortuna com Ações

    Décio Bazin

  50. 2018

    Let's Talk Money

    Monika Halan

  51. 2023

    Rita Lee: Outra Autobiografia

    Rita Lee

  52. 2016

    Rita Lee: Uma Autobiografia

    Rita Lee

  53. 1992

    Juventud en éxtasis

    Carlos Cuauhtémoc Sánchez

  54. 2010

    Habibie & Ainun

    B. J. Habibie

  55. 2010

    Marmut Merah Jambu

    Raditya Dika

  56. 2016

    The Unusual Billionaires

    Saurabh Mukherjea

  57. 2015

    Mrs Funnybones

    Twinkle Khanna

  58. 2009

    Belajar Goblok dari Bob Sadino

    Dodi Mawardi

  59. 2018

    A Century Is Not Enough

    Sourav Ganguly

  60. 2016

    Por Que Fazemos o Que Fazemos?

    Mario Sergio Cortella

  61. 2004

    Casais Inteligentes Enriquecem Juntos

    Gustavo Cerbasi

  62. 2005

    Kambing Jantan

    Raditya Dika

  63. 2008

    The Yellow World

    Albert Espinosa

  64. 2004

    Pensar bien, sentirse bien

    Walter Riso

  65. 1993

    Verbatim

    Jacques Attali

  66. 2011

    Mentes Ansiosas

    Ana Beatriz Barbosa Silva

  67. 2003

    Ang Paboritong Libro ni Hudas

    Bob Ong

  68. 2017

    Khullam Khulla

    Rishi Kapoor

  69. 2013

    Transforma las heridas de tu infancia

    Anamar Orihuela

  70. 2004

    Nunca Desista de Seus Sonhos

    Augusto Cury

  71. 2001

    Sangre de campeón

    Carlos Cuauhtémoc Sánchez

  72. 1946

    How to Be an Alien

    George Mikes

  73. 2014

    One Life Is Not Enough

    K. Natwar Singh

  74. 1987

    Shahab Nama

    Qudratullah Shahab

  75. 2007

    Loving Pablo, Hating Escobar

    Virginia Vallejo

  76. 2005

    Stainless Longganisa

    Bob Ong

  77. 2012

    If You Knew a Hundred Years Were Finite

    Phạm Lữ Ân

  78. 1997

    The Black Book of Communism

    Stéphane Courtois

  79. 2009

    Dead Aid

    Dambisa Moyo

  80. 2014

    Não Se Apega, Não

    Isabela Freitas

  81. 2001

    Under the Duvet

    Marian Keyes

  82. 2016

    The Little Book of Hygge

    Meik Wiking

  83. 2016

    Maravillosamente imperfecto, escandalosamente feliz

    Walter Riso

  84. 2018

    Racismo Estrutural

    Silvio Almeida

  85. 1988

    Maverick

    Ricardo Semler

  86. 2009

    The Elephant Whisperer

    Lawrence Anthony

  87. 2005

    Last Night I Dreamed of Peace

    Đặng Thùy Trâm

  88. 2023

    El chico de las musarañas

    Ana Obregón

  89. 2022

    ¡Cómo salir del pozo!

    Andrés Oppenheimer

  90. 2018

    Fitness revolucionario

    Marcos Vázquez

  91. 2017

    El precio de la pasión

    Gabriel Rolón

  92. 2006

    Transformando Suor em Ouro

    Bernardinho

  93. 1945

    Anything Can Happen

    George & Helen Papashvily

  94. 2009

    Guia Politicamente Incorreto da História do Brasil

    Leandro Narloch

  95. 2003

    The Imperfect Spy

    Sally Bowen & Jane Holligan

  96. 2012

    Vivir la vida con sentido

    Víctor Küppers

  97. 2011

    Manusia Setengah Salmon

    Raditya Dika

  98. 2015

    Dream with Your Eyes Open

    Ronnie Screwvala

  99. 1984

    Cry of the Kalahari

    Mark & Delia Owens

  100. 2007

    The Mindful Way Through Depression

    Mark Williams

A WORLD OF IDEAS. RIGHT IN YOUR POCKET.

Your next chapter goes wherever you go.

Discover ideas from 39,000+ books. Read clear summaries, listen on the move, and explore your questions with Klari AI—all from your phone.

APP PREVIEWExplore the library

A 20-second silent demonstration of Klari in an iPhone 18 Pro Max mockup. The screen layouts are adapted from the supplied app screens: library, book analysis, reader, a sample conversation, and a silent audio preview. The featured book is Your Faith Is Your Fortune by Neville Goddard. Use the scene controls to explore each view, or pause the animation.

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A little learning. Wherever life takes you.

A FEW THINGS YOU MIGHT BE WONDERING

Curious about Klari?

What can I explore with Klari?

Klari brings together book summaries, research papers, and learning from your own PDFs. Start with a topic that interests you, then follow it into key insights and deeper explanations.

Can I read and listen?

Klari combines reading with audio learning. This page includes seven short book samples and a narration preview using your device’s voice. Audio availability in the app can vary by title.

What can I ask Klari?

Ask for a simpler explanation, explore a different perspective, challenge an idea, or connect it to your own situation. The conversations on this page are interactive examples.

Can I try a summary in another language?

Yes. The product demo includes 25 prepared language options, including English, Urdu, and Spanish. Use the language menu beside Read, Listen, and Ask Klari to translate the sample and its conversation. Production language and voice availability may differ.