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No one is ever too old to curl up with a good book, or even follow a series with diligent passion like we did when we were younger.

We’ve compiled a list of some great book series to add to your TBR list, so fix up your favorite reading nook, stock up on some good coffee or tea, and indulge in these reads. 

Suspense and Mystery Book Series for Adults 

Check out some of these great mystery book series for your next page-turner: 

1. Throne of Glass by Sarah J. Maas 

In a kingdom ruled by an iron hand, Celaena Sardothien is an assassin called to the castle to defeat 23 thieves, warriors, and killers in a competition to win her freedom and serve instead as the king’s champion. But what if something evil with an intention to kill is actually in the castle of glass? 

2. Dublin Murder Squad by Tana French 

This series focuses on a different character playing the main role of detective in each book, but they all work together in a murder squad based in Dublin, Ireland. Readers feel that this series is a great option if you prefer to read character-driven books. 

3. The Lady Sherlock Series by Sherry Thomas 

Inspired by Sherlock Holmes, main character Charlotte Holmes uses the pseudonym “Sherlock” as she solves crimes. She even has her own assistant named Mrs. Watson! The author’s feminist perspective of the famous Sherlock Holmes and Watson makes these book a very fun read. 

4. The Easy Rawlins Series by Walter Mosley 

Private detective Easy Rawlins is an African American working in a predominantly racist Los Angeles back in the 1940s to 1960s. The storyline includes issues of social justice and racism while Rawlins is busy solving crimes. 

5. Angels and Demons Series by Dan Brown 

Follow the harrowing adventures of Robert Langdon, a university professor and symbologist who stumbles upon an ancient secret society and a devastating secret weapon of mass destruction. 

Historical Fiction Book Series for Adults 

If you’re the type who wants to learn important facts while immersing yourself in fiction, historical fiction books are probably your bet: 

6. The War of the Roses Series by Conn Iggulden 

This series offers one of the most interesting takes on the historical War of the Roses, with the first book, Stormbird, opening just after King Edward III’s death in 1437. It then evolves into the peaceful regency with Henry VI’s ascent to the throne, and then into a world of political uncertainty and turmoil.

7. The Zion Covenant by Brock and Bodie Thoene 

This 9-book series covers the most critical years leading up to World War II, paying close attention to the plight of Jews and refugees in the midst of Hitler’s rise to power. The series opens with Elisa Linder, a Jewish violinist in Vienna with German papers, fleeing Berlin with her father who gets detained by the Gestapo. 

The series then follows her and her other Jewish musicians’ friends journey to their respective new homes away from the raging fire of World War II. 

8. The Wolf Hall Series by Hilary Mantel 

This series covers one of the most interesting times in British history, under the rule of Henry VIII. The author uses the point of view of Thomas Cromwell, one of the most trusted advisors to the throne, starting with Cromwell’s humble start and tracing his rise to power in the court, then sadly to his final downfall. 

Science Fiction and Fantasy Series for Adults 

We can also learn important things about the world and life from a fantasy setting that tackles similar issues: 

9. The Broken Earth Series by N.K. Jemisin 

This dystopian series takes place on a planet made up of only one supercontinent called “The Stillness,” where the inhabitants struggle to survive a “Fifth Season” of tragic climate change every few centuries. Essun is a magical person who is separated from her daughter at the start of the current Fifth Season. 

10. The MaddAddam Trilogy by Margaret Atwood

This dystopian trilogy comes from master storyteller Margaret Atwood. What will the future world look like with floods, genetic engineering, plagues, and only a few people remaining and struggling to survive?

11. Three Dark Crowns by Kendare Blake 

On the fantasy island of Fennbirn, triplets are born in every generation, with each one having a unique magical power. At the time our story opens, we have Mirabella, a strong-willed elemental; Katharine, who can consume in the deadliest poisons without any reaction; and Arsinoe, a naturalist who can bloom the best flowers and tame the deadliest of lions. 

12. The Southern Reach Trilogy by Jeff Vandermeer

A group of women form the 12th expedition to Area X, a location cut off from civilization for many decades, and where previous explorations have proved futile. Among the women are a surveryor, an anthropologist, a psychologist, and the biologist who serves as narrator. 

13. The Mars Trilogy by Kim Stanley Robinson 

What if humans actually succeeded in colonizing Mars? This is the idea explored in this series, starting with the first book entitled Red Mars, where a colony starts to settle on Mars. The next book, Green Mars, picks the story up thirty years after the first colonizers arrive, while the third book, Blue Mars, looks at the long term consequences of colonizing the planet. 

14. The Malazan Book of the Fallen Series by Steven Erikson 

This epic fantasy series tells about the Malazan Empire, simmering with discontent and endless wars with ancient sorcerers. But what if behind all this, dark forces are gathering and the gods are preparing to play a hand? 

15. The Folk of the Air by Holly Black 

Ten years ago, Jude’s parents were killed and someone stole her and her two sisters to live in the High Court of Faerie. Now at 17, she desperately wants to belong, but most of the fey hate humans, with Prince Cardan leading the fray. 

Romance Book Series for Adults 

If you’re a fan of the romance genre, check out some of these series for your TBR list: 

16. The Beautiful Series by Christina Lauren 

This romance series is made up of novels and novellas, with hardworking intern Chloe as the main character. The story follows her relationship with her boss Bennett Rya, who is no-nonsense and extremely demanding—while also being excruciatingly attractive! 

17. The Loyal League Series by Alyssa Cole 

This historical romance series is set during the American Civil War, featuring a group of Black spies helping the Union Army. But who would’ve guessed that their mission would also bring them unexpected romance? 

18. Bollywood Series by Sonali Dev

Take a look at this romance series featuring four stories that are loosely connected and can be read in any order. The first book follows Mili, a girl from a small village who was betrothed in marriage to a man at just four years old. As part of her preparation for marriage, her family packs her off to America for school. 

When the man she’s engaged to moves on and finds another woman, Bollywood director Samir Rathod flies to America to file a divorce on behalf of his brother, but finds himself more interested in Mili than he planned to be. 

Horror Book Series for Adults 

If you to stay up with a good spine-tingling story, these series may fit the bill: 

19. The Vampire Chronicles by Anne Rice 

With Anne Rice’s Interview With the Vampire becoming practically a classic in horror novels, she creates a believable world of vampires with 13 books in this series. Lestat and his other fellow vampires are among the most memorable characters in the horror genre. 

20. The Dark Tower Series by Stephen King 

Roland of Gilead is the Last Gunslinger, a loner on an exciting journey to find the Man in Black. Along the way he encounters an engaging woman named Alice, and begins a friendship with Jake, a boy from New York. 

Reading Book Series 

Opting for a book series is a great way to ensure that you have something familiar but also exciting to look forward to at the end of every book. It also means you get to build longer relationships with the characters in the book. 

Of course, it can also mean greater withdrawal symptoms when you finish a well-beloved series! One antidote? Jump right in to a new series! 

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