Here are your options ...
There is one $5 poem left: "Three Times." There are two $10 poems left: "A Gentle Fall of Rain" and "The Seeds of Meaning." There are three $20 poems left: "Awakening the Sleepers," "His Fearsome Horse," and "Speaking of Shields." There are four epics left: "The Color of Her Eyes," "Impossible Wings," "The Language of Resistance," and "Heard for Himself."
You could buy the $5 poem, BOTH $10 poems, AND open a new epic with the remaining $6. You could buy one $10 poem AND one $20 poem, with $1 left to support the fishbowl in general. You could put all $31 into opening a new epic.
How do you want to distribute the $31?
If a new epic is opened, which do you want?
If one $10 poem is bought, which one should it be?
If one $20 poem is bought, which should it be?