dead-man switch
First appears in Book 4: Heaven’s River, chapter 8 (8. Survey Results)
Appearances
B1
B2
B3
B4
B5
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This first turns up in Book 4. Come back when you get there.
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This first turns up in Book 4. Come back when you get there.
First appears in Book 4: Heaven’s River, chapter 8 (8. Survey Results)