To get the library slip, you must first find the gold coin in the fountain. You'll see something sparkly in the second level in the water. Get it and go to the museum. Use the gold coin to look around. There is a pile of books to the right of the guy, and it has the library slip.
Go to the castle library and look for the description on the slip, "McM", on shelves in the lower aisle of the library.
This is the first item on the island. Go to the Mordred Musseum and spend it. Get the library slip and go to the castle library.
Go back and get it. Take the gold coin from the fountain, and pay your admission to the museum. In the stack of books to the right is the Library Slip.
There is a gold coin in the fountain outside. Go in and get the Library Slip from the stack of books.
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".)
It's downstairs. Press one of the stacked books with a paper on it, and it should get you the library card.
Once you have the Library slip, you can press the scroll McM on the lower aisle in the castle library, which will open the dungeon stairway.
McM is the shelf label for the lower aisle of the castle library. If you have the Library Slip, you can press this shelf to open the dungeon passageway.
The library SLIP is marked "Non-fiction McM", which is the lower aisle in the library. Press the spot on the shelf marked McM.
The library slip is needed to get into the Dungeon through the castle library. It provides the location of the secret passageway. Get the gold coin from the fountain and pay your way into the Museum. The library slip is in a stack of books next to the museum operator.
you click on the books next to the bed
The Library Slip is among a pile of books at the Mordred Museum. Get the gold coin from the fountain outside to pay your admission.
The LIBRARY SLIP is in the Mordred Museum. Get it by using the gold coin in the fountain outside. The CASTLE LIBRARY is in the castle, first floor right. On the lower aisle is the shelf McM that is listed on the library slip.