Book Recommendations

Fantasy
1) "The Lord of the Rings" by J.R.R. Tolkien
Since you enjoyed "The Hobbit," you will likely appreciate this epic trilogy that continues the story of Middle-earth with a much grander scope.
2) "The Silmarillion" by J.R.R. Tolkien
This book delves into the deeper lore and mythology of Middle-earth, providing rich backstories and histories that set the stage for "The Hobbit" and "The Lord of the Rings."
3) "A Song of Ice and Fire" series by George R.R. Martin
Starting with "A Game of Thrones," this series offers a complex, multi-layered narrative with intricate political intrigue and a richly developed world.
4) "The Wheel of Time" series by Robert Jordan
This 14-book series is known for its expansive world-building and intricate plotlines, making it a substantial read for any fantasy enthusiast.
Historical Fiction
1) "Anna Karenina" by Leo Tolstoy
Another masterpiece by Tolstoy, this novel explores Russian society through the tragic story of Anna Karenina.
2) "Les Misérables" by Victor Hugo
This lengthy novel provides a deep dive into 19th-century French society, combining historical events with personal stories.
3) "Shōgun" by James Clavell
Set in feudal Japan, this epic novel blends historical events with rich character development and cultural insights.
4) "The Pillars of the Earth" by Ken Follett
This historical epic focuses on the construction of a cathedral in 12th-century England, weaving together multiple characters' lives over several decades.
Blending Both Genres
1) "Jonathan Strange & Mr Norrell" by Susanna Clarke
This novel combines elements of fantasy with an alternative history set during the Napoleonic Wars, offering a unique blend that might appeal to your tastes.
2) "Outlander" series by Diana Gabaldon
Starting with "Outlander," this series mixes historical fiction with time travel and romance, providing a rich narrative set in various historical periods.

These books should provide you with plenty of engaging reading material that aligns with your interests in both fantasy and historical fiction while also satisfying your preference for lengthy narratives.