SELECT I.itemID, I.itemTitle, M.deleted
FROM
Items I
LEFT OUTER JOIN MyList M ON M.itemID = I.itemID
WHERE M.userID = 9
Editar: Com base no comentário do OP:
SELECT I.itemID, I.itemTitle, M.deleted, M.userID
FROM
MyList M
LEFT OUTER JOIN Items I ON I.itemID = M.itemID
WHERE M.userID = 9