‘You got it. I wish we were ten centimetres tall, and our clothes still fitted!’

The room seemed to explode. The walls went rushing away and the ceiling zoomed upwards. My wardrobe on the other side of the room suddenly looked like a block of flats. The bed I was sitting on turned into a massive great area, about the size of a five-a-side football pitch. A soft, bouncy five-a-side football pitch.

Evan was on the carpet, looking up at me. The drop from my bed to the floor was about half a metre, I guess, but at my current size that was equivalent to about seven and a half metres. It made me feel dizzy.

‘How do I get down from here?’

‘Can’t you climb?’

It was true that there was a bit of duvet hanging over the edge. If I climbed down that and dangled from the end, I’d be near enough the ground to be able to drop the last bit. Still, it looked pretty scary. If I slipped . . .

‘Or you could just wish to be down here,’ Evan said.

Well, that was true too. But I suddenly thought, what’s the point of always wishing things were already done, instead of doing them? Being tiny was an adventure, after all – I might as well make the most of it.

I grabbed the duvet and started to inch down. It was harder than I’d thought. Gripping a fistful of duvet is easy when you’re full-sized. But at ten centimetres high, your hands are so small they can’t grab very much of it. It felt much coarser than normal, like stiff sacking.

I started to sweat. I glanced down and the ground still looked a long, long way away. If I fell I’d be all smashed up, like when Maeve fell off my hand earlier . . .

And then I felt my hands slipping.

I fell, leaving my stomach behind.

The wind rushed past my ears.

I heard Evan give a sort of squeak of alarm.

Too late, I started to shout ‘I wish—’

I hit the floor.

But I didn’t hit it with a bang. It was more a sort of ploomph, plus a little bit of a rustle. It didn’t hurt at all. The carpet was deep and springy, coming up to my ankles.

‘Are you all right?’ Evan ran towards me over the springy carpet.

‘Totally. It feels like I just fell, well, off a bed.’

Evan laughed. ‘Of course! You did just fall off a bed. It looks a long way to us, but it’s still only a short drop really – and because we weigh so much less, you hit with much less force than usual. Do you realize what this means?’

‘No – what?’

‘We don’t have to worry about gravity at all. At this size, it can’t hurt us! Watch!’