First off, don't be intimidated; it's easy.<br />Second, the original copy of this miniature guide of mine is on the third page of the 'Casa' thread.<br /><br />The regular rules for the third declension are:<br />(Note: to recognize a third declension noun, you must look at the genitive singular, not the nominative, because sometimes the nominative sg. of a noun resembles that of a noun of another declension. i.e., scelus (neuter) - sin, wrongdoing, evil)<br ...