Shared publicly  - 
If you had to choose just one life-changing or -shaping book, what would it be?
Hampus Bengtsson's profile photoJames Minyard's profile photoStacy Hanger's profile photoCharlie Nunjabidnez's profile photo
Prometheus Rising by Robert Anton Wilson
Zen and the Art of Motorcycle Maintenance by Robert Pirsig
A Thousand Plateaus by Deleuze and Guattari.
The Hitchhiker's Guide to the Galaxy ... all 4 books of the trilogy
A Million Random Digits with 100,000 Normal Deviates by the RAND Corporation.
The complete joy of home brewing by Charlie Papazian
The Adventures of Sherlock Holmes
The Wings of a Falcon by Cynthia Voigt.  I read that more than once as a kid.
The Art of Racing in the Rain  - Garth Stein
Someone said "My Side of the Mountain" in the article comments. I read that in elementary school and it surely did make a big impact on me. However, my most influential book was probably Illusions by Richard Bach, which I read several times as a teenager and young adult. "Argue for your limitations, and they're yours." 
The Hitchhikers Guide to the Galaxy.
"Book of Three" Lloyd Alexander  "The Worm Ouroboros" "Leviathan's Deep" Jayge Carr
One???? that is so unfair to any bibliophile ... guess I'll pick "The Moon is a Harsh Mistress" by Robert Heinlein it is a great primer for libertarianism and it got me reading the rest of his opus. 
George Orwell's Animal Farm, beyond the shadow of a doubt.
"I, Robot" Issac Asimov. You're right about not being able to pick one +Mark Evans
it took 17 minutes before someone said the bible?!?!? I'm impressed! On facebook that would have been the second comment
Dune. It put me on the fast track to being the emperor of the known universe. It's a work in progress...
The Joy of Sex. I was like 'OMG you can put what where?!'
whichever Stephen Jay Gould book I read first 
As A Man Thinketh, by James Allen.
At age 8 I read Air America by Christopher Robbins (published 1979) and it blew my tiny mind.
"Information Anxiety" by Richard Saul Wurman (founder of TED) and "Destinae" by Roy H. Williams. The first shaped how I see and share information, and the second helped me see beyond my fears and sail beyond the horizon.
The Hitchhikers Guide series. I taught my sister to love reading with those books where she previously hated it and refused to do it. Afterward she became the biggest bookworm I've ever known <3
Might sound silly, but the Wheel of Time series.
The entire Alex Rider series by Anthony Horowitz
The Sword of Truth series, by Terry Goodkind, starting with Wizards First Rule. +Larry Hunt also mentioned Cynthia Voigt, her entire series influence me at an alarmingly young age before I knew of Goodkind, especially Wings of a Falcon. 
Zen and japanese culture D.T. Suzuki
"On Truth: The Tyranny of Illusion" by Stefan Molynuex
A Wrinkle In Time, by Madeleine L'Engle.
The man who mistook his wife for a hat by Oliver Sacks

A fascinating and entertaining read, it also really blighted how the self (mind, emotions, personality, identity etc) is defined by the physical processes and structure of the brain. And that lead to me, finally, rejecting the idea of a self existing beyond the physical, i.e. no soul, no life after death.
The Man Who Loved Clowns - June Rae Wood
The Skeptical Environmentalist by Born Lomborg
Illuminatus! by Robert Shea and Robert Anton Wilson - Hail Eris! 
The Bible. And "He is There and He is not Silent" by Francis Scheaffer.
The metamorphosis - Franz Kafka. Read it when I was 12 because someone told me girls liked smart guys with depth. I had neither but the book made me think in a different way. Did not get me any girls then unfortunately. :) 
"Fire in the Mind - Science, Faith and the Search for Order" - George Johnson
Men are from Mars, women are from Venus ( John Gray :)  
The Hobbit, and I'm not just saying that because the new movie is out. I was rasied on Middle Earth lore, as my mother was before me; it's the earliest fictional influence I can remember and it's still strong with me today. I can't even begin to describe how different my life and myself would be if not for that heavy influence.
Im hugely complex, I don't remember many book titles that have inspired but TV programmes, films and computer software I could name hundreds, is that normal or a bad thing, I suppose if I had to choose one it would be Peter Norton's Inside The PC, that's where my IT journey truly began a long time ago!
Essays by Christopher Hitchens. It was wonderful to read a book that required me to look up words in the dictionary whilst being thoroughly worth the effort. 
Ishmael by daniel quinn.
Asimov's "Caves of Steel" series, and how could I forget "1984" or "Brave New World"
Dominion by Mathew Scully.

Changed my life.
The book that would and did shape me is the book that has helped millions and millions, it goes way back........... Thats right!!) The Bible. Want a question answered?  Got one to ask? Check it out for your self.
Sooo hard to say for sure. Maybe Bukowski maybe Kafka or maybe Proust. But if I really think back it would likely have been something from Mark Twain. Good question tho... I'll have to think on this for awhile. 
The Power of One by Bryce Courtenay
Anton la Vey, The Satanic Bible, 9th grade. And everything by Heinlein.
+Robert Hirsch, I don't think that's a coincidence either.  Maybe solid evidence of demograph of users of G+ vs Facebook?
The Da Vinci Method - like a doorway to my mind
I'd say Shogun and Hitchhikers guide to the galaxy
Tao Te Ching
The Road Less Traveled
Language In Thought and Action
Unlimited Power
"Twenty Thousand Leagues Under the Sea", Jules Verne.  First book I read cover to cover -- I think I was seven or eight. 
The Four Agreements - Don Miguel Ruiz
Easy. The Lord of the Rings.

It ultimately led me to a forum for like-minded fans 8 years ago where I met a girl who is now my wife.

She lived in the UK and I'm American. So I moved to England.

Without Tolkien I wouldn't have met her, I wouldn't have my daughter (now 4.5 years old), wouldn't have moved 3500 miles, wouldn't be in the career I've picked up since moving here...

Pretty life-changing, really. 
Bhagwad gita, not because its a religious book.simply because of its philosophy. The philosophy of karma... Do your work and not worry about result. You will get the results no matter what, you have to decide whether those results are positive or negative for you. 
Thanks to this post, my amazon books wishlist is now massive.

If I had to contribute... The Holiness of God, R.C. Sproul
He elaborates on a lot of topics in the Bible that I hadn't really considered before in depth.
basic self knowledge by harry benjamin
Add a comment...