Original: His early novels , called '' scientific romances '' , invented a number of themes now classic in science fiction in such works as The Time Machine , The Island of Doctor Moreau , The Invisible Man , The War of the Worlds , When the Sleeper Wakes , and The First Men in the Moon .
Simplified: He wrote many books such as The Invisible Man , The Time Machine , The Island of Dr. Moreau , and The War of the Worlds .