Simplify the following text for a Grade 7 native English-speaking person.
Original: In 1869 Sacher-Masoch conceived a grandiose series of short stories under the collective title Legacy of Cain that would represent the author 's aesthetic Weltanschauung .
Simplified: In 1869 Sacher-Masoch wrote a large number of short stories under the group title Legacy of Cain .