Book 1

Four

by R E Carr

Published 30 July 2015

Book 2

Six

by R E Carr

Published 25 March 2016

Book 3

Ten

by R E Carr

Published 15 October 2016

Book 4

Point One Five

by R E Carr

Published 3 November 2017

Book 5

Zero

by R E Carr

Published 8 February 2018

Book 6

One

by R E Carr

Published 13 November 2018