Dungeon Crawl series

The Dungeon Crawl series was a series of five 2nd edition sourcebooks published by TSR, Inc. and Wizards of the Coast between 1996 and 2000. They are presented here in order of publication—the series did not have an explicit order.
==Books in the series==
TSR code	Title 	Published	ISBN-10 	ISBN-13
9519 	Undermountain: The Lost Level 	1996-06 	ISBN 0-7869-0399-6	ISBN 978-0786903993
9528 	Undermountain: Maddgoth's Castle	1996-09 	ISBN 0-7869-0423-2	ISBN 978-0786904235
9538 	Undermountain: Stardock 	1997-02 	ISBN 0-7869-0451-8	ISBN 978-0786904518
9562 	Hellgate Keep 	1998-02 	ISBN 0-7869-0786-X	ISBN 978-0786907861
11622 	The Dungeon of Death 	2000-05 	ISBN 0-7869-1622-2	ISBN 978-1560761327