| RUSH | 2012 novel by Mark Billingham (4,2,5) |
| OFBLOOD | 2012 novel by Mark Billingham (4,2,5) |
| REDHOUSE | The ___, 2012 novel by Mark Haddon (3,5) |
| FROMTHEDEAD | 2010 novel by Mark Billingham |
| DEATH | and 14dn, 2007 novel by Mark Billingham (5,7) |
| THEBURNING | 2004 novel by Mark Billingham (3,7,4) |
| DEATHMESSAGE | and 14dn, 2007 novel by Mark Billingham (5,7) |
| FROM | 2010 novel by Mark Billingham (4,3,4) (see 23A) |
| SLEEPYHEAD | 2001 novel by Mark Billingham (10) |
| LIFELESS | 2005 novel by Mark Billingham (8) |
| GIRL | 2004 novel by Mark Billingham (4) |
| MESSAGE | see 3dn, 2007 novel by Mark Billingham (5,7) |
| THEDEAD | 2010 novel by Mark Billingham (4,3,4) (See 15 Across) |
| OFTOMSAWYER | The -, 1876 novel by Mark Twain featuring the character Becky Thatcher (10,2,3,6) |
| THORNE | Tom, inspector created by novelist Mark Billingham (6) |
| THEADVENTURESOFHUCKLEBERRYFINN | Film directed by Michael Curtiz, based on a novel by Mark Twain (15,15) |
| STITCH | 1991 novel by Mark Morris (6) |
| VESUVIUSCLUB | The ?, 2004 novel by Mark Gatiss (8,4) |
| TOMSAWYER | The Adventures Of _ _, 1876 novel by Mark Twain (3,6) |
| ASPOT | & 7A 2006 novel by Mark Haddon (1,4,2,6) |
