there is no book disk
if your asking about the mission its under the orange couch in the mission on club penguin
The giant "s" on club penguin is the one on the night club. If you are on the field-op, you have to click on the disk below the s.
under the mattes tank you bye
IN the Lighthouse there is some cleaning stuff near the stage you use that by clicking on it then clicking the disk
LoL All Yall So Stupid FIND THE DISCK!
Look under a sofa for starters. When you're on play the game. It's fun!
Well, you go to the office room and look under the sofa and get disk and paperclip insert disk into computer.
The disk is under the piano at the light house. However the disk is dirty so you need to get the cleaner from the left of the stage.
You use the boot disk under the sofa and put it in the computer. it changes each time.
Go upstairs in the gift shop. Look under the orange sofa. You will also find a paper clip.
It's find not finf but anyway you go to the lighthouse and click on the underside of the piano -peacegirl222
in the case of the missing coins mission go to the couch in the manger's office and click under it. collect the paper clip used to shut off the magnet on the roof and grab the flat disk (boot disk).