What does MM stand for?

With titles like The Bad Beginning, The Miserable Mill, and The Penultimate Peril, and cautions from the author such as, "If you are interested in stories with happy endings, you would be better off reading some other book," these are clearly stories where adults dare not tread.

And I bet Gifton Noel-Williams must have had to agonise over whether or not to leave the cold, miserable mill town of Burnley for Real Murcia.

PAPERBACK 1 (1) Atonement, Ian McEwan 2 (2) Billy, Pamela Stephenson 3 (3) Dead Famous, Ben Elton 4 (4) On Green Dolphin Street, Sebastian Faulks 5 (5) How To Be Good, Nick Hornby 6 (6) Churchill: A Biography, Roy Jenkins 7 (7) McCarthy's Bar, Pete McCarthy 8 (8) Back When We Were Grownups, Anne Tyler 9 (9) A Parrot In The Pepper Tree, Chris Stewart 10 (-) Shopaholic Ties The Knot, Sophie Kinsella HARDBACK 1 (2) Bad Beginning, Lemony Snicket 2 (1) Ersatz Elevator, Lemony Snicket 3 (4) Austere Academy, Lemony Snicket 4 (3) The Reptile Room, Lemony Snicket 5 (-) The Universe In A Nutshell, SW Hawkin 6 (9) Miserable Mill, Lemony Snicket 7 (7) Berlin: The Downfall 1945, Anthony Beevor 8 (6) Wide Window, Lemony Snicket 9 (5) Serious, John McEnroe 10 (10) Artemis Fowl, Eoin Colfer