Atlas Shrugged has genre Speculative fiction
[Human]: Could you recommend anything like the book Atlas Shrugged? [Assistant]: Sure Atlas Shrugged was written by Leonard Peikoff and Ayn Rand. We the Living and Anthem are similar. [Human]: Do you know what genre We the Living is? [Assistant]: Yes, We The Living is a speculative fiction book. Do you like that genre? [Human]: I do! Do you have any recommendations for a Speculative fiction book? 
Sure, The Time Machine and The Island of Dr. Moreau are very good books in the same genre.