The House at the Edge of Magic (The House at the Edge of Magic, #1)

Nine is an orphan pickpocket determined to escape her life in the Nest of a Thousand Treasures. When she steals a house-shaped ornament from a mysterious woman's purse, she knocks on its tiny door and watches it grow into a huge, higgledy-piggeldy house. Inside she finds a host of magical and brilliantly funny characters, including Flabberghast – a young wizard who’s particularly competitive at hopscotch – and a hideous troll housekeeper who’s emotionally attached to his feather duster. They have been placed under an extraordinary spell, which they are desperate for Nine to break. If she can, maybe they can offer her a new life in return…