Learn Vimscript the Hard Way is a book for users of the Vim editor who want to learn how to customize Vim.
It is not a guide to using Vim. Before reading this book you should be comfortable editing text in Vim and know what terms like "buffer", "window" and "insert mode" mean.
The book is divided roughly into three sections:
~/.vimrc file
to customize Vim quickly and easily.The book will always be free to read online right here.
You can buy an ebook (PDF, epub, mobi) version for $8 on Leanpub.
You can buy a paperback copy for $20 on Lulu.
You can buy a hardcover copy for $40 on Lulu.
The book is copyright 2013 by Steve Losh, all rights reserved. You can redistribute it as long as you don't make any changes and don't charge for it.
The source code to the book is available on BitBucket and on GitHub. If you find any mistakes or feel you could improve it feel free to send a pull request, but I'm retaining the copyright on the book, so if you're not comfortable with that I understand.