Zayanna pressed her knuckles against her mouth, her teeth showing white as she gnawed on them. ‘I’ll scream,’ she promised. ‘We’ll draw some of the guards out of the way. Oh, do be careful, Clarice.’

You’re following the Distressed Maiden archetype rather than the Dark Seductress mode right now, Irene mused drily. But all she said was, ‘Just be careful,’ as she tucked Atrox Ferox’s gun into her sash. ‘Both of you. Please.’

They nodded. Then Atrox Ferox went down on one knee under the nearer trapdoor, offering her a convenient step.

Irene balanced on his shoulder, looking up. The round trapdoor was large enough to fit her comfortably, with a heavy bolt on one side, and two thick hinges on the other. The mechanics were obvious enough. Adrenaline was fuelling her again and so, before she could change her mind, she quickly tugged on the bolt and pushed, hard, on the cold metal. It swung past her with a loud screech from the hinges, and with a howl the noise of the wind filled the compartment. It wasn’t exactly quiet - something to remember at the other end.

She looked up at the night sky, full of stars and darkness. ‘Now, please,’ she said.

Atrox Ferox rose to his feet underneath her, boosting her up smoothly. She wriggled out onto the top of the Train, fingers groping for a handhold.

The wind nearly ripped her off the roof before she could even get her balance: she flattened herself desperately against the metal, sliding across the roof of the Train as the trapdoor thudded back into place underneath her. Its momentum slammed her into the ornamental rail on one side of the roof, and she latched on to it with the strength of panic. The polished metal was freezing cold, and for a moment her hands began to slip. She forced herself to grip more tightly, her lips shaping silent windblown curses, the Language no use to her here. Finally, she managed to wedge her hip into the narrow gap between rail and Train roof to steady herself.

Endless pale dunes of sculpted sand whipped past under the cold stars, as she tried to make herself move again. Her very practical and very present fear of death warred with her need to rescue her friends. But time was running out. She pushed herself onwards.

The slipstream pressed her against the roof as if she was on an extreme fairground ride, but as long as she kept flat to the metal surface as she pulled herself along, it was manageable. The sound of the wind and the Train’s wheels filled her ears, shaking her down to her bones.

Then as she came to the end of the carriage, before the covered section that joined it to the next, she raised her head briefly to look down the length of the Train. It seemed to stretch on for dozens of carriages, a near-endless stream of mercury and darkness crossing the desert. Beyond that, right at the edge of her vision, she saw followers, and her stomach clenched. She couldn’t make them out clearly, but some were dark, some were bright; some might have been hounds or wolves, while others might have been riders or motorcyclists, or even cars. But they were spread across the horizon, all inexorably tracking the Train. And in the lead was a single figure on his own, running along the track. The Rider, come to take the Horse back and fulfil his own story.

She saw failure in that moment. Unless she remembered something.

Abandoning one precious handhold, she raked her fingers against a join in the roof’s metal panelling until she felt a raw edge snag her skin and draw blood. Then she reached into her bodice, finding the pendant that Kai’s uncle had given her, and dragged it over her head. The chain caught in her tangled, matted hair and she had to tug to get it free. What had he said?

… place a drop of your blood on this and cast it to the winds …

Irene folded her grazed hand around the pendant. But nothing happened. There were no dramatic changes of temperature, no glowing lights - nothing. Some sort of sign would have been nice.

Please let this work, Irene thought, and threw the pendant out into the darkness beyond. It glinted for a moment in her vision, perhaps a spark of brightness from the silver chain, and then it was gone.

She continued to crawl down the Train.

CHAPTER TWENTY-SIX

Four painstakingly counted carriages later, each one of them a dance with death as the Train swayed and bucked, Irene decided she must be there.

Now she needed to check the interior of the carriage. But fortunately the old cliche was true: people never did look up. And they wouldn’t be able to hear her up here, either. She positioned herself over the nearer trapdoor, locked her grip firmly and shouted, ‘Trapdoor, turn transparent.’

The steel complied. Inside it looked positively cosy, in a dark, steely sort of way. Possibly it was the warm light of the gas-lamps, and the contrast from carriages-worth of cold, dark crawling. Her angle of vision also, most importantly, gave her a clear view of Vale and Kai. Both had been tied hand and foot, with their wrists behind their backs. They were on the floor at her end of the carriage, and they both seemed unconscious. Sterrington was standing over them, a naked pistol in her hand, in a posture suggesting that she’d shoot them at the least provocation. She looked, for want of a better word, ruffled. So Irene’s first move must be to neutralize Sterrington, and her gun.

The Guantes were further down the carriage, towards the far end. Lord Guantes was seated, frowning intensely at the hostages, his focus on them almost palpable. Look away, instinct prompted Irene, and she forced herself to watch Lady Guantes instead. The woman was pacing slowly from side to side of the compartment, placing one grey-slippered foot deliberately in front of the other. She was entirely dry. (Unlike Lord Guantes, whose fine velvets showed traces of damp.) Her silk gown swished around her ankles as she walked, and her fur cape was drawn tightly around her shoulders; her gloved hands tightened on its edges as she said something that Irene couldn’t hear.