Fran E
Fran E asked Gareth Brown:

Loved your book. Why does Cassie need to give Mr. Webber the Book of Doors only so he gives it to her. If she has it, then why can't she give it to her future self (addressed to her or left in a place she would find it). Why does it have to be Mr. Webber that gives it to her?

Gareth Brown
This answer contains spoilers… (view spoiler)

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