Here is a bookseller note for a book. Based on what it says, categorize the book as one of these genres: Mystery, Fantasy, Historical Fiction, Fan-Fiction, or Science Fiction.

Bookseller note:
If you aren’t already a Lord of the Rings fan, you will be once you read The Hobbit. Tolkien’s writing is ethereal, his vivid imagery and detailed descriptions fully immersing you into his fictional world of Middle-earth. So go ahead, go on this adventure with Bilbo Baggins as he finds himself roped into a quest to defeat Smaug the dragon!
system
yahan ek pustak ke liye ek bukseller note he.yah kya kahata he, iske aadhaar par, pustak ko in shaileyon main se ek ke rup main vargeekrut karen: rahasy, fantasy, aitihaasik katha, prashansak-katha yaa vigyaan katha.

bukseller note:
yadi aap pehle se hi lord of da rings fain nahin hai, to aap ek baar hobit padhane ke baad honge.tolkin kaa lekhan ether he, unki jwalanth kalpana or vistrut vivaran aapako puri tarah se madhya-prithvi kii apni kaalpanik duniya main dubo dete hai.to aage badho, bilbo bagins ke saath is saahasik kaary par jaaen kyonki vah khud ko dragon ko haraane ke liye ek khoj main ropit paata he!
user
kalpana
assistant
<|system|>
</s>
<|user|>
yahan ek pustak ke liye ek bukseller note he.yah kya kahata he, iske aadhaar par, pustak ko in shaileyon main se ek ke rup main vargeekrut karen: rahasy, fantasy, aitihaasik katha, prashansak-katha yaa vigyaan katha.

bukseller note:
yadi aap pehle se hi lord of da rings fain nahin hai, to aap ek baar hobit padhane ke baad honge.tolkin kaa lekhan ether he, unki jwalanth kalpana or vistrut vivaran aapako puri tarah se madhya-prithvi kii apni kaalpanik duniya main dubo dete hai.to aage badho, bilbo bagins ke saath is saahasik kaary par jaaen kyonki vah khud ko dragon ko haraane ke liye ek khoj main ropit paata he!</s>
<|assistant|>
kalpana</s>
