From edinburghcitybreaks.com
James Thin Bookshop
Address: 53-59 South Bridge | Tel: 0131-5566743
This venerable Scottish chain of bookshops has branches throughout the country, but this particular branch, the University branch, has a particularly good second-hand department as well as a wide range on Scotland.
Open Mon-Fri 0900-2200, Sat 0900-1730, Sun 1100-1700.