A popular-level collection of essays , interviews and talk titled `` Black Holes and Baby Universes and Other Essays '' was published in 1993 and six-part television series `` Stephen Hawking 's Universe '' and companion book appeared in 1997 .
[ 233 ] A popular-level collection of essays , interviews and talk titled `` Black Holes and Baby Universes and Other Essays '' was published in 1993 [ 234 ] and six-part television series `` Stephen Hawking 's Universe '' and companion book appeared in 1997 .