The best resource to come up with a more interesting word to replace "cold" is a thesaurus.
The best resource for Bryan to find a more interesting word to replace "cold" in his short story is a thesaurus. A thesaurus is a reference book that provides synonyms (words with similar meanings) and antonyms (words with opposite meanings) for various terms. By using a thesaurus, Bryan can search for alternative words that convey a similar meaning to "cold" but may add more depth or creativity to his writing.