— Editions —
Pre-Order Tiers
Choose your preferred package to unlock exclusive rewards.
Tier 1
The book "The problem of the trolley" + limited edition deluxe content book "A Single Soul".
Tier 2
The Book " The Problem of the Trolley " + be featured as a character in one of the book's trolley problems.
Tier 3
The book "The problem of the trolley" + Submitting your own trolley problem scenario to be featured in the book.