Just over three months ago, Chicago's Prairie Avenue Bookshop held a Spring Sale with 25% savings. Their Summer Sale doubles those savings on purchases over $100. The sale started a couple days ago and runs until July 18. Click the image for more information.
For those who cannot make it to the store, be sure to brose their web page, especially the out-of-print titles, magazines/journals, and the sale books, for an even deeper discount.