Best Free Science & Academic Books of 2026

Here are the 20 most popular free Science & Academic ebooks on Free-eBooks.net for 2026, ranked by reader rating and download volume — every title is free to download.

Last updated: October 21, 2026

1 Nanocrystal

Nanocrystal

Yoshitake Masuda | Science Textbooks

Rating:

The book involves Nanocrystals of metal oxides, semiconductors, compounds, noble metals, metals, inorganic materials, carbon materials, organic molecules, polymers, bio materials, hybrid materials, composites, etc. It features remarkable breakthrough on Nanocrystals and provides latest scientific knowledge and leading-edge technology.

2 Siyavula Textbooks: Grade 12 Math

Siyavula Textbooks: Grade 12 Math

Free High School Science Texts Project | Mathematics

Rating:

This book was published by Free High School Science Texts Project to provide a material for the students of Grade 12 on the subject of Mathematics.

3 The Rise of the Robots In the U.S.

The Rise of the Robots In the U.S.

Michael Erbschloe | Science

Rating:

One exciting element of the Advanced Manufacturing Partnership is the National Robotics Initiative. Robots are working for us every day, in countless ways. At home, at work, and on the battlefield, robots are increasingly lifting the burdens of tasks that are dull, dirty, or dangerous. Robotics can address a broad range of national needs such as...

4 Why Bad Things Can’t Happen To Good People!

Why Bad Things Can’t Happen To Good People!

AiR-Atman in Ravi | Philosophy

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In this world, there is a constant unfolding of events, some good and some bad. Life is like a merry-go-round and we pass both pleasure and pain in this journey called life. When good things happen, we are happy, but when tragedies strike, we become unhappy. Our sorrow reaches a peak when misfortune strikes good people.This book will create a...

5 Resonance with the Self

Resonance with the Self

Martin Euser | Philosophy

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This book is designed to help you better understand yourself. How do you see yourself? How is your self-image? You can learn to connect with the spirit or Self within. Time-tested exercises will assist you with this process.

6 Success is Not Happiness, Happiness is Success

Success is Not Happiness, Happiness is Success

AiR-Atman in Ravi | Philosophy

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The whole world is seeking Success. Everybody wants to succeed. Somebody wants to be a billionaire while somebody else wants to win the World Cup. An actor wants to make it to the Oscars, just as a child wants to get the first rank in class. If we observe humanity, everybody seems to be in a chase to become an ace. Everybody wants to be an...

7 Taking Offence at Men and Women's Health

Taking Offence at Men and Women's Health

Helen Tararina | Psychology

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Why we bear grudges and what for? Is there any way to stop doing this? Why forgiving is manipulation? Why our friends and relatives offend us more often, than strangers do? This book is meant to give you answers to these and other questions. It sums up the author's 10-year work experience in applied psychology, consulting and training. The...

8 The Fourth Factor

The Fourth Factor

AiR-Atman in Ravi | Philosophy

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Man has to acknowledge that there is a mysterious factor, a factor lesser known to man that controls the final outcome of all his efforts - the 4th Factor. Without discovering this 4th Factor, man will never reach the zenith. He will be helpless and capable of doing nothing. He will continue to struggle in misery. Not only will he be unable to...

9 Progress in Biomass and Bioenergy Production

Progress in Biomass and Bioenergy Production

S. Shahid Shaukat | Science Textbooks

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The book talks about Gasification and pyrolysis, Second Law analysis of bubbling fluidized bed gasification, elucidates some new results on the production of syngas through thermal plasma technique,numerical investigation of hybrid-stabilzed argon-water electric arc used for biomass gasification.

10 Forall X: An Introduction to Formal Logic

Forall X: An Introduction to Formal Logic

P. D. Magnus | Philosophy

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Forall X is an open access introductory textbook in formal logic. It covers translation, proofs, and formal semantics for sentential and predicate logic. forall x was written by P.D. Magnus, an associate professor at the University at Albany, State University of New York. Magnus received his PhD from UC San Diego.

11 Shadows of Childhood

Shadows of Childhood

Dr Ram Lakhan Prasad | Psychology

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This essay titled Shadows of Childhood shows how childhood memories affect other phases of human development.

12 The End Of Philosophy - Tales Of Reality

The End Of Philosophy - Tales Of Reality

Jan Strepanov | Philosophy

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Critical of the very act of thinking, The End Of Philosophy goes full circle from nihilistic desperation to farcical comedy. Twelve chapters dismantle everything you thought you ever knew – three others help you laugh at the resulting dilemma. A nonetheless serious theme is that we humans must transcend our current thought paradigms if we...

13 Space and Time

Space and Time

Laurentiu Mihaescu | Science

Rating:

Considering the special mechanics of a granular space, the theory of relativity must be reformulated to include the absolute frames or references and to describe the real perception of various observers on a body in motion. As the same mechanics established the laws of physics and allowed the primordial matter to self-organize and create...

14 An Introduction to Statistical Signal Processing

An Introduction to Statistical Signal Processing

Robert M. Gray and Lee Davisson | Mathematics

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This book introduces the fundamental ideas and mechanics of random processes to engineers in a way that accurately reflects the underlying mathematics.

15 Applied Computational Fluid Dynamics

Applied Computational Fluid Dynamics

Hyoung Woo Oh | Science Textbooks

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A book that is intended for use as a reference text to help advanced scientists and research engineers solve numerous and diverse fluid flow problems using computational fluid dynamics (CFD).

16 The Mind This Enigma

The Mind This Enigma

Dr Martinho Correia | Philosophy

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The subject is the mind, this functional entity or should we say this fascinating concept. How to define it? Is it limited to our body? What is its nature? Does it survive us? In what does the spirit differ from the soul? Is man the only thinking being? If the consciousness perception is an intrinsic brain property, the consciousness, the...

17 Musings of a Very Strange Man

Musings of a Very Strange Man

Hunter Vaughan | Philosophy

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Hunter Vaughan is a very strange man. In this book of musings, he provides insights into America's social and cultural quirks, and capsulizes, with wit and humor, his irreverent and unconventional philosophy of life.

18 Rediscovering Transcendence

Rediscovering Transcendence

Martin Euser | Philosophy

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Goals of this book: - Understanding the crisis of civilization: lack of vision, materialistic values, the long descent downwards- Regaining purpose of life: the position of the human being in the world - Finding meaning in a fragmented world - Developing a solid understanding of life - Forming a sound vision of one's role in society- Developing a...

19 Sci-Fi Film Fiesta The Lost Last Volume 12: Speculations & Ruminations

Sci-Fi Film Fiesta The Lost Last Volume 12: Speculations & Ruminations

Chris Christopoulos | Philosophy

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The Lost Last Volume 12 “Speculations & Ruminations” deals with various implications, themes and ideas that often arise out of the world of science fiction films and literature referenced in the other volumes of this eBook series. All of this material is organised into four broad sections:Part 1: “Going Forward”Part 2: “Dystopia...

20 My philosophical ideas 2

My philosophical ideas 2

Antonio Pinto Renedo | Philosophy

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This book represents a journey through the world through meditation.

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