This site is currently down and is being added to Archived Listings.
Parish Chest (https://www.parishchest.com/home) is an online genealogy shop in England run by Jen Mortensen. They sell:
Military history books and CDs (https://www.parishchest.com/MILITARY_HISTORY_BOOKS_AND_CDs___LDD1786)
Parish Registers for all English parishes as well as Irish, Scottish, Welsh, and overseas parishes (https://www.parishchest.com/PARISH_RECORDS__LDD1733)