"A writer of genuine originality" The Guardian

The Infinite Lives of Maisie Day

A mind-bending mystery for anyone who's ever asked questions.

It’s Maisie’s birthday and she can’t wait to open her presents. She’s hoping for the things she needs to build her own nuclear reactor. But the house is empty and outside the front door is nothing but a dense, terrifying blackness.

Trapped in an ever-shifting reality, Maisie will have to rely on the laws of the universe and the love of her family to save her. And even that might not be enough…

Winner of the STEAM Children's Book Prize, the Fantastic Book Award and the Ysgol Bae Baglan Book Award. Nominated for the 2019 CILIP Carnegie Medal. Shortlisted for the Leeds Book Award, the Derbyshire Schools' Book Award, the Salford Children's Book Award, the Sheffield Children's Book Award, the Wolverhampton Children's Book Award and the Brilliant Book Award. Longlisted for the Leicester Libraries Our Best Book Award and the Berkshire Book Award. 

The Infinite Lives of Maisie Day is a heartbreaking, head-melting science fiction mystery from the superlative Christopher Edge

The Guardian

Wow, I wish Christopher Edge had been my science teacher. This gripping story, has a magical way of distilling difficult concepts into a high-energy thriller.

The Times, Children's Book of the Week

Unique… incredibly readable.

The Bookseller

This book is out-of-this-world, edge-of-your-seat AMAZING!

Lauren St John

No one writes books like Christopher Edge, and this is another fascinating, tender, and excellent adventure.

Kiran Millwood Hargrave

This book dazzles, stretches the imagination and carries the reader into a fascinating tale.


Gripping, terrifying and eye-poppingly original. Grabs hold of your brain - then tugs at your heart.

Jonathan Stroud

A fantastic book - clever, touching and wise.

A.F. Harrold

His stories mix a warm humanity with a wonderful ability to introduce us to some of the most intriguing theories about our universe.

Robin Ince

A wonderful story. Full of science, but with a touching tale at its heart.

Ross Welford

A fabulously clever read

School Library Journal

This is the best read I’ve had in ages. Give it to any child you come across.

Lucy Mangan

Quite extraordinary.

The Spectator