|←||052 - What Am I?||053 - Tricky Tomes||054 - It's in the Bag||→|
Here is a bookshelf crammed with thick, heavy encyclopedias arranged as shown. All the books have the same depth, and they fit perfectly onto the shelf.
There is one book that nobody ever takes from the shelf first, no matter who is browsing the shelf. Touch which book that is.
Do you notice anything odd about the bookshelf?
Encyclopedia number 8 is the only book that cannot be taken out first. There is no way to get it out without removing another book first.
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A big thanks to http://professorlayton4walkthrough.blogspot.com