He was working at Nebraska Book Company of Lincoln , Nebraska , when he met Jack Cole , the co-owner of Coles , a Toronto book business .
CliffsNotes was started by a Nebraska native named Clifton Hillegass in 1958 .
Clifton Hillegass was working at Nebraska Book Company of Lincoln , Nebraska , when Clifton Hillegass met Jack Cole , the co-owner of Coles , a Toronto book business .
CliffsNotes was started by a Nebraska native named Clifton Hillegass in 1958 .