FARTHER VS FURTHER
Further = Figurative distance
In ambiguous cases, where you could be talking about either physical or figurative distance, plump for 'further'.
heads, thinking they must be crazy—why would the Emissary’s daughter be in their neck of the woods?
- Black City, page 63
She doesn’t have to explain that any further. When Darklings mate, they often bite each other and blood share. Evangeline will never be able to do that; not with a Darkling, anyway.
- Black City, page 219
“I wanted you to kiss me, I wanted us to take things a step further, and I admit I got carried away, but I didn’t want that.
You know how my father died, you must know how much being bitten scares me,” I say.
- Black City, page 246