Simplify the following text for a Grade 6 native English-speaking person.
Original: Three films that followed were less popular : There 's Always Vanilla ( 1971 ) , Jack 's Wife \/ Season of the Witch ( 1972 ) and The Crazies ( 1973 ) were not as well received as Night of the Living Dead or some of his later work .
Simplified: Later , Romero made There 's Always Vanilla ( 1971 ) , Jack 's Wife \/ Season of the Witch ( 1972 ) and The Crazies ( 1973 ) and Martin ( 1977 ) . These films were not as popular as Night of the Living Dead .