Nothing is more important than family.Mechanical genius Clara will do whatever is needed to keep her brothers safe while war rages between England and Scotland.Even if that means leaving her beloved machines in quiet Dorstow to join the war effort in London.Even if that means working with Gordy, the most infuriating eighteen-year-old in the country.Even if that means putting herself at risk when she discovers a plot that reaches to the heart of government and puts the very future of England in peril.As danger mounts, Clara must decide who she can trust - and how much she's willing to pay for peace. With enemies gathering on both sides of the border, she faces an agonising choice. She can keep those she loves safe, but only if she destroys what's most precious to her in the process.This single volume contains all four novels of the Clockwork War The Clockwork War, An Airship from Ashes, The Tinker Queen and The Immortality Device.A glorious mash-up of steampunk and alternate history, crank your cogs and take to the skies to join Clara and Gordy in an adventure you'll remember forever!