You can use this page to email Steve Losh about Learn Vimscript the Hard Way.
Please include an email address so the author can respond to your query
This message will be sent to Steve Losh
LVSTHW is a book about customizing the Vim editor. It's freely available online, but you can buy an ebook copy here.
Steve Losh is a programmer, photographer, dancer, and bassist from Rochester, New York.
He's the author of a number of Vim plugins and color schemes such as Gundo, Splice, Vitality, Bad Wolf, and Clam.