What do autograph books cost in the park?

I'm looking at autograph books on to purchase in advance, and they are $14.95. One review said they are cheaper in the park. How much are they if you buy when you get there?

You Will Be Making Memories With This 2023 Walt Disney World Autograph Book

Mickey makes a real statement for themselves with this Walt Disney World 2024 autograph book. The cover shows Mickey on the front with 2024 logo.

Disney Autograph Photo Book - 2024 Walt Disney World

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Disney Princess Autograph Photo Book: Includes pen for signing autographs Rectangular shaped photo album featuring Disney princesses Perfect for

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Completing Your Character Autograph Book In The Disney Parks

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disney World Park Life Autograph Book

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Disney Parks Exclusive - Walt Disney World Official Autograph Book: : Books