Related Clues:

• 8 possibly supplying tip about book
• Die young -- the end!
• For instance, eight dice
• Jinx a reportedly spent figure
• 21-Down unit
• Six-faced solid
• Die, say
• ...which helped Kekulé conceive of the carbon atoms in 24 Across in the shape of a ___
• More than square
• Hexagonal ice
• Solid cool figure with bouncer releases Ron
• Rubik's creation
• Times itself twice
• Sugar lump's shape
• The bucket is overturned, revealing a piece of sugar