By the book 📚 Mystery Cache

This cache is not at the posted coordinates. To obtain the final coordinates, solve the puzzle below. 

Some stories stick with us long after we finish reading. This puzzle references a few that have stayed with me. Each clue is based on the title or well-known themes from a novel. Use logic, a bit of literary deduction, and the clues below to uncover the final coordinates.

The cache can be found at N 47° K.FGE′ W 121° L.GJC 

A = A reclusive octopus helps a grieving woman reconnect with her past. How many words are in the title?
B = A tower of knowledge. A weaponized language. A student rebellion. This R.F. Kuang novel has a one-word title — how many letters does it contain? 
C = How many husbands are mentioned in the title of a story about a Hollywood icon’s secret past? 
D = In Kristin Hannah’s bestselling World War II novel, two sisters resist the Nazi occupation in very different ways. How many words are in the title? 
E = A multi-generational saga set in Kerala, where water carries both illness and salvation. How many words are in the book’s title? 
F = A modern retelling of David Copperfield, set in Appalachia. How many words in the title start with the letter D?
G = Ling Ma’s satirical pandemic novel about capitalism and memory has a one-word title. How many letters does it contain?
H = In the first book of Adrian Tchaikovsky’s sci-fi series where spiders inherit a planet, evolution takes a strange turn. How many letters are in the first word of the title? 
I = In Emily St. John Mandel’s post-pandemic novel, a traveling troupe and a comic book preserve art after the collapse. What number appears in the title?
J = F - 1
K = I + H
L = A + B + D + H 

You can validate your puzzle solution with certitude.
 

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Optional: What are you reading? Feel free to share a favorite book or a recent read in your log! 📚