Things Found In Books
Very funny stuff!  People find all sorts of stuff in books.

Enclosures A collection of ephemera found between the pages of secondhand books  http://enclosures.blogspot.com/

UBC Find of the Week Archive [Brookline Used Book Cellar]
http://www.brooklinebooksmith.com/events/findarchive.htm
http://www.brooklinebooksmith.com/ 

Bibliobuffet Writing Worth Reading, Reading Worth Writing About
On Marking Books The Legend of the Bacon Bookmark by Laine Farley
http://www.bibliobuffet.com/bb/content/view/186/195/
 

Bookmarks

Mirage Bookmark: Beautiful Bookmark Exhibition, History of Bookmarks Mirage Bookmark presents web's most comprehensive reference site on bookmarks http://www.miragebookmark.ch/ 

Inside Books: Bookmark of the Week
http://insidebooks.blogspot.com/search/label/Bookmarks

Bookmark Collector
http://bookmark-collector.com/
 

Book Covers

Judge a Book by its Cover
De gustibus non est disputandum. There's no accounting for taste.
http://www.judgeabook.blogspot.com/ 
 

More "Serious" Book Stuff

A library bigger than any building 
BBC Article about "The Open Library". 
http://news.bbc.co.uk/1/hi/magazine/6924022.stm

The Open Library
Some day, an online catalogue of every book every written.
http://www.judgeabook.blogspot.com/ 

LibriVox
"Acoustical liberation of books in the public domain. LibriVox provides free audiobooks from the public domain."
http://www.librivox.org/
 

Book Blogs

Writing About Old Books... (etc.) I don't always agree with every word written in this blogs. I generally run across these while searching for other things.  Of course, this isn't a definitive list.  As I find more, I will stick them on here.  I try to put on here the "most interesting" ones I find. Take them as they come.

Bioluminescence  Very beautifully constructed blog.  I discovered it by accident when I typed, "Writing About Old Books" into Google. 
http://www.fireflyplace.net/ 

It's a Crime! (or a mystery...) "crimeficreader"
http://itsacrime.typepad.com/its_a_crime_or_a_mystery/ 

Fancy a Brew?
http://fraancofinn.blogspot.com/

Grumpy Old Bookman
http://grumpyoldbookman.blogspot.com/

Petrona
http://petrona.typepad.com/petrona/ 

The Book Guide "your guide to sources of secondhand and antiquarian books in the UK".
http://www.inprint.co.uk/thebookguide/index.shtml

"Shelf:Life - what's new in the world of old books and book collecting, links to the news stories that matter, and occassional comments by TheBookGuide".  http://www.inprint.co.uk/thebookguide/shelf_life41.shtml

Bookride "RARE BOOK GUIDE, EVERY ONE A WINNER"
http://www.bookride.com/