Keys to the Demon Prison (Fablehaven Book 5) by Brandon Mull
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On Sale Now
Deal History
4
Deals Tracked
4
Sale Months
$6.40
Avg Deal Price
1 week ago
Last on Sale
Lowest deal price seen: $5.10
Price History
Step chart of observed prices. Filled markers are recorded deal appearances; the line tracks the regular-price segments we've confirmed.
Sale price (snapshots)
Regular price (snapshots)
Recorded deal
Past Deals
September 2026
Sale
$6.83
July 2026
Sale
$6.83
June 2026
Sale
$5.10
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Guardians
Crystal Keepers (Five Kingdoms Book 3)
Five Kingdoms
Rise of the Evening Star (Fablehaven Book 2)
Fablehaven
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Fablehaven
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