Disclaimer: This Fantasy Duologies To Binge Read Right Now book list contains affiliate links.
Read on for some finished fantasy duologies to get stuck into…
If you don’t want to invest your time or emotions into reading a lengthy fantasy series but want more depth than a single standalone fantasy novel, a duology may just be the right fit for you.
A duology is a series made up of just two books that work together to form a complete story.
There are some incredible completed fantasy duologies ready for you to dive into, which we will explore in greater detail below:
The Strange the Dreamer Series by Laini Taylor
Publisher: Hodder & Stoughton
Publication date: January 1, 2019
Series summary: Set in the world of Zosma, the series follows librarian Lazlo Strange who, along with a group of warriors, sets out to find the lost city of weep, subsequently unearthing its dark history and magical inhabitants.
What to expect: Expect a central romance that sits alongside a story filled with adventure, myth and intricate world building. Themes include trauma, good vs. evil, loneliness, forgiveness and hope.
You can buy the Strange the Dreamer Series by Laini Tayor HERE.
The Crimson Moth Series by Kristen Ciccarelli
Publisher: Harpercollins UK
Publication date: February 27, 2025
Series summary: A romantasy duology following the wealthy character of Rune, who impersonates a vigilante rescuing witches and simultaneously falls in love with the very person hunting her down.
What to expect: With forbidden romance, action and political undertones – this series has something for everyone. If you like books exploring themes such as hidden identity, betrayal and love – be sure to check out this series.
You can buy The Crimson Moth Series by Kristen Ciccarelli HERE.
The Elements of Cadence Series by Rebecca Ross
Publisher: HarperVoyage
Publication date: September 30, 2024
Series summary: On the Isle of Cadence, childhood rivals Jack and Adaira, joined by a healer and a guard, come together to solve the mystery of the islands missing girls. It is an alliance that will unearth ancient rivalries and uncover the deep and dark secrets of Cadence.
What to expect: Perfect for lovers of romantasy, celtic myths, and elemental magic.
You can buy the Elements of Cadence Series by Rebecca Ross HERE.
This Poison Heart Series by Kalynn Bayron
Publisher: Bloomsbury YA
Publication date: June 29, 2021
Series summary: This duology follows Briseis, a teenager living in rural New York. Briseis discovers she comes from a long lineage of powerful witches, and subsequently begins to embrace her own magical powers.
What to expect: This YA favourite blends modern fantasy with Greek mythology to explore themes such as family, identity, and contemporary real-world issues.
You can buy The Poison Heart Series by Kalynn Bayron HERE.
Six of Crows Series by Leigh Bardugo
Publisher: Orion
Publication date: January 1, 2016
Series summary: In the city of Ketterdam, a group of dangerous and thieving outcasts is lead by protagonist Kaz Brekker. Across the duology, readers are taken through the groups impossible Ice Court heist as well as the aftermath – a war of personal demons, revenge and survival.
What to expect: A rugged, fast-paced fantasy series featuring multiple POV’s, morally grey characters and rich world building. Great for fans of darker fantasy novels that include violence, tension, and political intrigue.
You can buy the Six of Crows Series by Leigh Bardugo HERE.
The Shepherd King Series by Rachel Gillig
Publisher: Little, Brown Book Group
Publication date: 1 January, 2023
Series summary: In the mist-covered gothic kingdom of Blunder, Elspeth Spindle’s mind is occupied by The Nightmare – an ancient, immensely powerful spirit. Elspeth’s life takes a drastic turn when, one night on the forest road, she encounters two highway men. It is this meeting that propels Elspeth into a plot defined by romance, danger and dark magic.
What to expect: This romantasy series offers readers an atmospheric and unique fictional world to get lost in. Themes explored include power, sacrifice, redemption and second chances.
You can buy The Shepherd King Series by Rachel Gillig HERE.
Dance of Thieves Series by Mary E. Pearson
Publisher: Square Fish
Publication date: 1 January, 2023
Series summary: Kazi, a former street thief turned queen’s guard and spy is sent on a mission to find a war criminal. It is through this mission that she encounters Jase – leader of an outlaw dynasty. The two characters go on to develop a complex relationship and become entangled in a world full of romance, dark secrets and a deadly battle.
What to expect: Romance and adventure are well-balanced in this popular young adult series. Themes covered include loyalty, betrayal and found family.
You can buy the Dance of Thieves Series by Mary E. Pearson HERE.
Letters of Enchantment Series by Rebecca Ross
Publisher: Magpie
Publication date: April 13, 2023 (Book 1) December 26, 2023 (Book 2)
Series summary: In the city of Oath, rival journalists Iris and Roman exchange anonymous letters through an enchanted wardrobe. Despite an on-going war plaguing their lives, both protagonists form a remarkable bond that will change them forever.
What to expect: The Letters of Enchantment series is the perfect fusion of fantasy and historical fiction. Praised for its emotional intensity, swoon-worth chemistry and intimate epistolary narrative.
