Find Tar-Meena at the Arcane University and show her the book.
Will discovers how to use the Subtle Knife of the title, an arcane instrument that allows one to cut holes in the fabric between adjacent universes - the deeper the cut, the farther the universe you enter is from our own.
Tarn is an arcane word for big puddle and sounds nice.
Keep in mind the arcane and vexing interstate shipping restrictions for wine when deciding on this option.The following are some good online sites that are helpful.
Ranging from extremely clever to random and arcane, the videos in this section are rife with pop-culture references that might baffle anyone born before 1980.