As far as I know, you cannot 'purchase' floor to ceiling bookcases. You have to have them built custom.
You can purchase an antique bookcase online from websites such as eBay and Craigslist. Alternatively, you may be able to find an antique bookcase in local classifieds.
One can purchase a used Ikea bookcase online at sites such as Amazon and eBay. One might also be able to find a used Ikea bookcase locally on Craigslist.
One can purchase bookcase headboards from retail stores like Target, Canadian Tire, Walmart and many more. One can also purchase it from online retailers like eBay and Amazon.
There are many places where one can purchase a cheap bookcase cabinet. Once can try furnishing stores such as Ikea, or alternatively once can try sites such as Craigslist.
I found that you can purchase a leaning bookcase at amazon.com nextag.com and American-furniture-warehouse.com
There are many places one can purchase a ladder for a bookcase. The most reliable online outlet for purchasing this item would be Amazon. You can also visit stores such as target or Walmart. There is also an episode on "This Old House" that might be useful in constructing your own ladder for a bookcase.
Ikea in Ottawa sells bookcases in black. On their website is a black bookcase with adjustable shelves, which can be arranged according to one's needs.
You can use shims to level a bookcase. These are pieces that you can slide under one side of the bookcase, and you can use scrap wood for this purpose, or purchase them from a hardware store. http://www.ehow.com/how_5089309_use-wood-shims.html
To create a DIY built-in Billy bookcase for your home, you will need to measure the space where you want the bookcase to fit, purchase the necessary Billy bookcase units from IKEA, assemble them according to the instructions, secure them to the wall for stability, and finish the surrounding area to make it look like a built-in unit.
The price of a Sauder bookcase can vary depending on the style and size of the bookcase. Prices range from around $40 to a few hundred dollars. A buyer should be careful to purchase a shelf that will fit the room.
A bookcase is 'une bibliothèque' in French.
A man named Fu Xi is credited with the invention of the bookcase. He invented the bookcase in the year 544.