Good books for latin noun declensions?

1. What are the 5 noun declensions in Latin?
2. How do we choose the noun declension in Latin?

What are the 5 noun declensions in Latin?

The charts list the main five cases in the order traditionally used in the United States: nominative, genitive, dative, accusative, and ablative.

How do we choose the noun declension in Latin?

There are two principal parts for Latin nouns: the nominative singular and the genitive singular. Each declension can be unequivocally identified by the ending of the genitive singular (-ae, -i, -is, -ūs, -ei). The stem of the noun can be identified by the form of the genitive singular as well.