Puzzle 5

Author of "I, Robot": Isaac __

Fish best known for its spawning practice

Largest natural satellite of Neptune

__ Africanus, Roman who won the Battle of Zama

Addicted __; 1985 hit for Robert Palmer

Refuses with contempt

Lucky keepsakes

Astrological bull; Ford car model

To subject to fire or intense heat

Instrument played by Elvis

Populus trees that tremble