A War of Wyverns Also in this series: A Language of Dragons Series: A Language of Dragons #2
Published by HarperCollins Publishers Limited on April 28, 2026
Genres: Juvenile Fiction / Fantasy / General, Young Adult Fiction / Fantasy / Historical, Young Adult Fiction / Fantasy / Romance, Young Adult Fiction / Historical / Europe
Pages: 416
Goodreads
Reading Challenges: 52 in 52 challenge, All booksREBELLION HAPPENS IN THE SHADOWS
Vivien Featherswallow has uncovered the secret language of dragons. Now can she use it to end a war?
The extraordinary sequel to the instant #1 Sunday Times Bestseller, A Language of Dragons
Vivien Featherswallow has translated a secret language of dragons - sparking an all-out civil war, with dragons and humans fighting on both sides, in the process.
And after defeating Prime Minister Wyvernmire and escaping Bletchley Park, Vivien has become the reluctant face of the rebellion - and been labelled the most wanted criminal in Britain. But what good is a rebel who must remain in hiding, powerless to help her friends?
Unsure of her purpose, and torn with doubt about the life she thought she was meant to lead, Vivien travels to the remote Scottish Isles to find a mysterious, long-forgotten species of dragon - one which might hold the key to ending the war... forever.
An epic, sweeping, unputdownable fantasy, A War of Wyverns is the unmissable sequel to the instant #1 Sunday Times Bestseller, A Language of Dragons.
S. F. Williamson's book 'A Language of Dragons' was a No.1 Sunday Times bestseller w/c 2025-01-06.
Review:
S.F. Williamson’s A War of Wyverns is a sequel that refuses to stay small. Where A Language of Dragonsintroduced us to a world shaped by language, power, and dragons, this second installment widens the lens into full-scale war—testing not only nations, but the very ideals its heroine once believed could save them.
Picking up after the events of book one, Vivien Featherswallow finds herself no longer just a scholar or translator, but a key player in a conflict spiraling beyond anyone’s control. Dragons and humans stand on the brink of irreversible destruction, and Vivien’s rare ability to understand dragon language may be the last fragile bridge between annihilation and peace.
A World at War
This is a darker, heavier book, and intentionally so. A War of Wyverns leans into the chaos and moral ambiguity of wartime—alliances shift, motivations blur, and every decision carries consequences that cannot be undone. Williamson excels at showing how war erodes certainty, especially for someone like Vivien, who once believed knowledge alone could fix what was broken.
The political maneuvering and dragon lore are more complex here, rewarding readers who enjoy layered worldbuilding. The wyverns themselves add a new dimension to the mythology, expanding the series beyond what felt possible in the first book.
Language as Power
One of the series’ greatest strengths remains its focus on language—not as decoration, but as a living force. Translation is dangerous. Words can heal or devastate. Vivien’s role as a linguist continues to feel refreshingly different in a genre that often prioritizes brute strength over intellect.
At times, the pacing slows under the weight of this complexity, particularly in the middle sections, but for readers invested in the themes, it feels purposeful rather than indulgent.
Character Growth & Emotional Cost
Vivien’s arc is one of grief, responsibility, and reluctant leadership. She is more fractured here, more uncertain, and that vulnerability gives the story its emotional core. Some secondary characters remain frustratingly underdeveloped, and the romantic elements may not resonate with every reader, but the emotional toll of war is unmistakable—and deeply felt.
Final Thoughts
A War of Wyverns is not a comfortable sequel, but it is an ambitious one. It challenges the idea that knowledge alone can save the world, asking more complex questions about power, sacrifice, and what peace truly costs. While it may feel uneven at times, its strengths—rich worldbuilding, thoughtful themes, and a heroine forced to grow beyond her own ideals—make it a compelling continuation of the series.
This is a book for readers who enjoy dragon fantasy with political depth, morally complex conflicts, and stories that aren’t afraid to let their characters—and their worlds—break before they heal.
Reading this book contributed to these challenges:
