Requiring the spec helper
Correction
Correction
ScriptureBook will take care of raising errors related to book_number argument passed to it
correction
ScriptureVerse.initialize spec and code
Crrecting typo in file name
ScriptureBook will get initialized implicitly within ScriptureChapter
Apparently nil does respond to ':to_i'
Oh, the logic here should be inverted
spec and code for ScriptureVerse#normalize