 Publisher 's Weekly said , " It is a testament to the storytelling that the existence of this parallel world and the convergence of Peter and Thea 's stories , told in separate chapters , are both credible and absorbing . Young readers will find this a journey worth taking . " Kirkus Reviews found the novel to be a " Thoroughly enjoyable arctic adventure " , praising how the adventure tests the main characters ' courage as they learn the truth of both worlds . Vicky Smith from Horn Book Magazine found the two main characters well written and the city of Gracehope well structured . While , Smith found the city 's origin unbelievable , she recognized that few people would care about that and compared the threat in First Light similar to the one in The City of Ember . Jenifer Hubert from Booklist also compared the novel to The City of Ember and to Neal Shusterman 's Downsiders . Hubert criticized the slow beginning and flaws in the mythology and structure of the underground world , but still felt that " the icy setting and global @-@ warming theme are well realized " . 
 Publisher <a href='null_genetive' title='1'><mark>'s</mark></a>Weekly said , " It is a testament to the storytelling that the existence of this parallel world and the convergence of Peter and Thea <a href='null_genetive' title='2'><mark>'s</mark></a>stories , told in separate chapters , <a href='drop_aux' title='3'><mark>are</mark></a>both credible and absorbing . Young readers will find this a journey worth taking . " Kirkus Reviews found the novel to be a " Thoroughly enjoyable arctic adventure " , praising how the adventure <a href='uninflect' title='4'><mark>tests</mark></a> the main characters <a href='null_genetive' title='5'><mark>'</mark></a>courage as they learn the truth of both worlds . Vicky Smith from Horn Book Magazine found the two main characters well written and the city of Gracehope well structured . While , Smith found the city <a href='null_genetive' title='6'><mark>'s</mark></a>origin unbelievable , she recognized that few people would care about that and compared the threat in First Light similar to the one in The City of Ember . Jenifer Hubert from Booklist also compared the novel to The City of Ember and to Neal Shusterman <a href='null_genetive' title='7'><mark>'s</mark></a>Downsiders . Hubert criticized the slow beginning and flaws in the mythology and structure of the underground world , but still felt that " the icy setting and global @-@ warming theme are well realized " . 
Publisher  Weekly said , " It is a testament to da storytelling dat the existence of this parallel world and the convergence of Peter and Thea  stories , tld in separate chapters , both credible and absorbing . Young readers gon find this a journey worth takin . " Kirkus Reviews found tdanovel to b a " Thoroughly enjoyable arctic adventure " , thnk how the adventure test the main characters  courage as they learn the truth of both worlds . Vicky Smith from Horn Book Magazine found the two main characters well written and the city of Gracehope well structured . While , Smith found the city  origin unbelievable , she recognized tdatfew niggas would care about that and compared the threat in First Light similar to the one in The City of Ember . Jenifer Hubert from Booklist also compared thdaovel to The City of Ember and to Neal Shusterman  Downsiders . Hubert criticized thedaow beginning and flaws in the mythology and structure of the daerground world , but still felt that " the icy settin and global @-@ warming theme are well realized " .