It is the lower aisle in the royal library (castle, first floor right), and the
shelf McM will open the dungeon entrance if you have the Library Slip.
in the castle library click mcm in the non-fiction section to get into the dungeon
The library SLIP is marked "Non-fiction McM", which is the lower aisle in the library. Press the spot on the shelf marked McM.
On your library card{If you got it} it is at the top.It is underlined in red it's in non-fiction McM.Hope that helps!
In the palace the right door
In the lower aisle of the castle library, in the Non-Fiction section. You cannot use the secret passageway until you have the Library Slip from books at the Mordred Museum.
On Astro Knights Island, there is a library slip in the Mordred Museum that shows he took the same item several times. (Get the gold coin from the fountain to enter the museum.) At the castle library "Mc-M" in the Non-fiction section has a shelf with scrolls on it. Push on the shelf to open the secret passage to the dungeon. (The library slip is for the book "Secrets of the Castle : The Shadowy World Beneath Your Feet".)
it does not say library card you have to click McM because that what it says on the library card again not library card
In the lower aisle of the castle library, in the Non-Fiction section. You cannot use the secret passageway until you have the Library Slip from books at the Mordred Museum. Get the gold coin from the fountain and find the slip in the museum.
On Astro Knights Island, there is a library slip in the Mordred Museum that shows he took the same item several times.Get the gold coin from the fountain to enter the museum. The library slip is in a stack of books to the right. In the castle library, the shelf Mc-M in the Non-fiction section has scrolls on it. Push on the shelf to open the secret passage to the dungeon.(The library slip is for the book "Secrets of the Castle : The Shadowy World Beneath Your Feet".)
There is some moldy cheese in the secret dungeon under the castle.To get the cheese:Get the gold coin from the fountain.Go in the Mordred Museum and get the library slip.Go to the castle library, the non-fiction section (lower aisle), and push on the "McM" shelf.All you can do is get the cheese and throw the switch on the wall.
(It is actually a LIBRARY SLIP.) Take the gold coin from the spaceship fountain (in the water), and tour the Mordred Museum. His library slip is in a stack of books and shows where the hidden "Secret of the Castle" is located. Once you have the Slip, go to the castle library (first floor, to the right) and look in the Non-Fiction section, lower aisle, for the McM shelf.
It lets you access the castle dungeon. Use the gold coin to enter the Mordred museum and find the Library Slip. Go to the castle, where the library is to the right on the first floor. On the lower aisle, the Non-Fiction section, McM, there is a shelf that opens the secret dungeon passageway. (There are two things to do : get the moldy cheese and pull the lever.)