* AscendedFanon: WordOfGod has admitted that the characters got {{Retcon}}ned after {{Fanon}} saw them as a different nationality, altering them slightly from being American to British.
* WhatCouldHaveBeen: The story of ''Yesterday's Child'' was originally conceived as a story that was going to focus on the youngest members of the herd (Peaches, Ben and Mark) experience living in two worlds but they can't tell them apart. One element that has been retained of this idea is that ''Yesterday's Child'' focuses on the three youngest members and their growth and CharacterDevelopment as they mature throughout the novel's events.