Did you mayhaps mean unhook?
Examples
“Manninen describes the recent phenomenon of the "unbook":”
“I recommend the experience, if not with Marks and Meaning, then with another unbook. posted by Andrew Simone in books, information architecture, sketch | * | 1 comment comments”
“As in open source software, version 1.0 of an unbook is a significant milestone, indicating that it is stable and reliable enough for use by the general public.”
“Big quote for folks who do not wish to click through: 1. An unbook is never finished, but rather continually updated, based on feedback from users andtheir evolving needs.”
“Like a story an unbook has a clear beginning and end, although those things might change over time.”
“Implied by the unbook – though not necessary – is print on demand.”
“Whereas a traditional book is published in editions whenever it gets revised (or it has sold out), an unbook is released in versions (1.0, 1.13, 2.0 etc) which are never finished but always open to feedback from readers.”
“I recommend the experience, if not with Marks and Meaning, then with another unbook.”
“Dave Gray Co-Founder of the unbook movement, Founder of XPLANE, author of Marks and Meaning”
“A new form is emerging; an ever-evolving, never-finished book, typically characterized by a curator, community and focused topic area: The unbook.”
Lists
These user-created lists contain the word ‘unbook’.
Tweets
Looking for tweets for unbook.

vanishedone As a noun, this turns up in several places:
a 'collection of book covers for imaginary, unpublished books'
'a collection of content-free textbooks that anyone can edit' (yes, from Uncyclopedia)
a coin bank that 'fits right onto a bookshelf, camouflaged by show-off literature and pretentious design books'
As a verb it gives Unbook'd, which looks like the sort of site to appeal to people here. Mar 19, 2008