The Cogheart Adventures book 1 to 4 Boxed Set

Cogheart - The Cogheart Adventures: Book 1
Lily's life is in mortal peril. Her father is missing and now silver-eyed men stalk her through the shadows. What could they want from her?
With her friends - Robert, the clockmaker's son, and Malkin, her mechanical fox - Lily is plunged into a murky and menacing world. Too soon Lily realizes that those she holds dear may be the very ones to break her heart...
Murder, mayhem and mystery meet in this gripping Victorian adventure.

Moonlocket - The Cogheart Adventures: Book 2
Storm clouds gather over Lily and Robert’s summer when criminal mastermind the Jack of Diamonds appears. For Jack is searching for the mysterious Moonlocket – but that’s not the only thing he wants.
Soon, dark secrets from Robert’s past plunge him into danger, because Jack is playing a cruel game. Lily and Malkin, the mechanical fox, must stay one step ahead before Jack plays his final, deadly, card...

Skycircus - The Cogheart Adventures: Book 3
Old secrets can weigh heavy when you want to fly.
Invited to a one-off spectacular show by Slimwood's Stupendous Travelling Skycircus, Lily, Robert and mechanical fox Malkin can't wait to jump onboard.
But behind the daredevil deeds of the bewitching bird-girl and the lobster-handed boy, something sinister lurks. And soon, the watchful ringmistress, Madame Lyons-Mane, reveals a deadly plan for Lily. Could the secrets of Lily's past hold their only chance of escape from this terrible trap?

Shadowsea - The Cogheart Adventures: Book 4
SECRETS NEVER STAY SUBMERGED FOR LONG
Swept into the bright hustle and bustle of New York, Lily, Robert and Malkin discover shadowy secrets lie beneath its surface. For there are chilling goings-on in their hotel…
A strange boy held captive, haunted by an undersea mystery; and a revengeful villain with a treacherous plan.
Searching for clues, Robert and Lily are plunged into deep water… But can they reveal the deadly truth before the secrets submerge them?
Join Lily, Robert and Malkin on a fantastic voyage of terror and triumph, in the fourth and final Cogheart Adventure…