Novels:
* The Foreshadowing (2004)
* The White Bear (2006)
* Midwinterblood (2008)
* The Ghosts of Heaven (2009)
* The Dark Flood Rising (2011)
* The Dead House (2013)
* My Sword Hand (2014)
* The Shadow of the Wind (2015)
* The Last Book in the Universe (2017)
* The Boy Who Drew Monsters (2019)
* The Secret of the Old Clock (2022)
Short Story Collections:
* The Other Side of the Door (2010)
Non-fiction:
* The Writer's Guide to Ghost Stories (2018)
Other:
* He also contributed to the The Mammoth Book of Ghost Stories (2014)
It's important to note that this list may not be exhaustive. It includes the most well-known books by Marcus Sedgwick but he might have other works that are less known or published under different names.
For the most comprehensive list, it's best to refer to online resources like Goodreads or the author's official website.